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2499925 = 52192277
BaseRepresentation
bin1001100010010101010101
311201000020211
421202111111
51114444200
6125325421
730151261
oct11422525
94630224
102499925
11145825a
12a06871
13696b5c
144910a1
15345aba
hex262555

2499925 has 18 divisors (see below), whose sum is σ = 3283458. Its totient is φ = 1887840.

The previous prime is 2499923. The next prime is 2499941. The reversal of 2499925 is 5299942.

It can be written as a sum of positive squares in 3 ways, for example, as 12996 + 2486929 = 114^2 + 1577^2 .

It is not a de Polignac number, because 2499925 - 21 = 2499923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499923) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8887 + ... + 9163.

22499925 is an apocalyptic number.

2499925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2499925 is a deficient number, since it is larger than the sum of its proper divisors (783533).

2499925 is a wasteful number, since it uses less digits than its factorization.

2499925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 301 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The square root of 2499925 is about 1581.1151128239. The cubic root of 2499925 is about 135.7195236074.

The spelling of 2499925 in words is "two million, four hundred ninety-nine thousand, nine hundred twenty-five".

Divisors: 1 5 19 25 95 277 361 475 1385 1805 5263 6925 9025 26315 99997 131575 499985 2499925