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225925 = 5271291
BaseRepresentation
bin110111001010000101
3102110220121
4313022011
524212200
64501541
71630450
oct671205
9373817
10225925
11144817
12aa8b1
137baab
145c497
1546e1a
hex37285

225925 has 12 divisors (see below), whose sum is σ = 320416. Its totient is φ = 154800.

The previous prime is 225919. The next prime is 225931. The reversal of 225925 is 529522.

225925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225919) and next prime (225931).

It is not a de Polignac number, because 225925 - 213 = 217733 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

225925 is a modest number, since divided by 925 gives 225 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 225925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471 + ... + 820.

2225925 is an apocalyptic number.

225925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225925 is a deficient number, since it is larger than the sum of its proper divisors (94491).

225925 is a wasteful number, since it uses less digits than its factorization.

225925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308 (or 1303 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 225925 is about 475.3156845718. The cubic root of 225925 is about 60.9052546913.

The spelling of 225925 in words is "two hundred twenty-five thousand, nine hundred twenty-five".

Divisors: 1 5 7 25 35 175 1291 6455 9037 32275 45185 225925