25023135 has 16 divisors (see below), whose sum is σ = 40195584. Its totient is φ = 13292832.

The previous prime is 25023121. The next prime is 25023199. The reversal of 25023135 is 53132052.

It is not a de Polignac number, because 25023135 - 2⁷ = 25023007 is a prime.

It is a congruent number.

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, 774 + ... + 7116.

It is an arithmetic number, because the mean of its divisors is an integer number (2512224).

Almost surely, 2^25023135 is an apocalyptic number.

25023135 is a deficient number, since it is larger than the sum of its proper divisors (15172449).

25023135 is a wasteful number, since it uses less digits than its factorization.

25023135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6614.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 25023135 is about 5002.3129650193. The cubic root of 25023135 is about 292.4919422136.

Adding to 25023135 its reverse (53132052), we get a palindrome (78155187).

The spelling of 25023135 in words is "twenty-five million, twenty-three thousand, one hundred thirty-five".