25130635 has 16 divisors (see below), whose sum is σ = 32038560. Its totient is φ = 18869760.

The previous prime is 25130629. The next prime is 25130653. The reversal of 25130635 is 53603152.

It is a happy number.

It is not a de Polignac number, because 25130635 - 2³ = 25130627 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 9565 + ... + 11905.

It is an arithmetic number, because the mean of its divisors is an integer number (2002410).

Almost surely, 2^25130635 is an apocalyptic number.

25130635 is a deficient number, since it is larger than the sum of its proper divisors (6907925).

25130635 is a wasteful number, since it uses less digits than its factorization.

25130635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 25130635 is about 5013.0464789387. The cubic root of 25130635 is about 292.9101946891.

Adding to 25130635 its reverse (53603152), we get a palindrome (78733787).

The spelling of 25130635 in words is "twenty-five million, one hundred thirty thousand, six hundred thirty-five".