25112425 has 12 divisors (see below), whose sum is σ = 33535180. Its totient is φ = 18544320.

The previous prime is 25112413. The next prime is 25112431. The reversal of 25112425 is 52421152.

It can be written as a sum of positive squares in 6 ways, for example, as 1841449 + 23270976 = 1357^2 + 4824^2 .

It is not a de Polignac number, because 25112425 - 2⁵ = 25112393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25112396 and 25112405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38310 + ... + 38959.

Almost surely, 2^25112425 is an apocalyptic number.

25112425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25112425 is a deficient number, since it is larger than the sum of its proper divisors (8422755).

25112425 is a wasteful number, since it uses less digits than its factorization.

25112425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77292 (or 77287 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 25112425 is about 5011.2298889594. The cubic root of 25112425 is about 292.8394286897.

Adding to 25112425 its reverse (52421152), we get a palindrome (77533577).

The spelling of 25112425 in words is "twenty-five million, one hundred twelve thousand, four hundred twenty-five".