25130656 has 12 divisors (see below), whose sum is σ = 49476042. Its totient is φ = 12565312.

The previous prime is 25130653. The next prime is 25130669. The reversal of 25130656 is 65603152.

It can be written as a sum of positive squares in only one way, i.e., 22240656 + 2890000 = 4716^2 + 1700^2 .

It is not an unprimeable number, because it can be changed into a prime (25130653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392635 + ... + 392698.

Almost surely, 2^25130656 is an apocalyptic number.

It is an amenable number.

25130656 is a deficient number, since it is larger than the sum of its proper divisors (24345386).

25130656 is an equidigital number, since it uses as much as digits as its factorization.

25130656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785343 (or 785335 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 25130656 is about 5013.0485734730. The cubic root of 25130656 is about 292.9102762776.

The spelling of 25130656 in words is "twenty-five million, one hundred thirty thousand, six hundred fifty-six".