25022913 has 16 divisors (see below), whose sum is σ = 33981120. Its totient is φ = 16376576.

The previous prime is 25022909. The next prime is 25022917. The reversal of 25022913 is 31922052.

It is an interprime number because it is at equal distance from previous prime (25022909) and next prime (25022917).

It is a cyclic number.

It is not a de Polignac number, because 25022913 - 2² = 25022909 is a prime.

It is a super-2 number, since 2×25022913² = 1252292350011138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25022917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43693 + ... + 44261.

It is an arithmetic number, because the mean of its divisors is an integer number (2123820).

Almost surely, 2^25022913 is an apocalyptic number.

It is an amenable number.

25022913 is a deficient number, since it is larger than the sum of its proper divisors (8958207).

25022913 is a wasteful number, since it uses less digits than its factorization.

25022913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 25022913 is about 5002.2907752349. The cubic root of 25022913 is about 292.4910772353.

Adding to 25022913 its reverse (31922052), we get a palindrome (56944965).

The spelling of 25022913 in words is "twenty-five million, twenty-two thousand, nine hundred thirteen".