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425321 = 1332717
BaseRepresentation
bin1100111110101101001
3210121102122
41213311221
5102102241
613041025
73421001
oct1476551
9717378
10425321
11270606
12186175
1311b790
14b1001
158604b
hex67d69

425321 has 4 divisors (see below), whose sum is σ = 458052. Its totient is φ = 392592.

The previous prime is 425317. The next prime is 425329. The reversal of 425321 is 123524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 235225 + 190096 = 485^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 425321 - 22 = 425317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425321.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425321.

It is not an unprimeable number, because it can be changed into a prime (425329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16346 + ... + 16371.

It is an arithmetic number, because the mean of its divisors is an integer number (114513).

2425321 is an apocalyptic number.

It is an amenable number.

425321 is a deficient number, since it is larger than the sum of its proper divisors (32731).

425321 is a wasteful number, since it uses less digits than its factorization.

425321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32730.

The product of its digits is 240, while the sum is 17.

The square root of 425321 is about 652.1663898117. The cubic root of 425321 is about 75.2036539080.

Adding to 425321 its reverse (123524), we get a palindrome (548845).

The spelling of 425321 in words is "four hundred twenty-five thousand, three hundred twenty-one".

Divisors: 1 13 32717 425321