25022507 has 2 divisors, whose sum is σ = 25022508. Its totient is φ = 25022506.

The previous prime is 25022497. The next prime is 25022509. The reversal of 25022507 is 70522052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25022507 - 2⁶ = 25022443 is a prime.

It is a super-2 number, since 2×25022507² = 1252251713130098, which contains 22 as substring.

Together with 25022509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25022509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12511253 + 12511254.

It is an arithmetic number, because the mean of its divisors is an integer number (12511254).

Almost surely, 2^25022507 is an apocalyptic number.

25022507 is a deficient number, since it is larger than the sum of its proper divisors (1).

25022507 is an equidigital number, since it uses as much as digits as its factorization.

25022507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 25022507 is about 5002.2501936628. The cubic root of 25022507 is about 292.4894953249.

Adding to 25022507 its reverse (70522052), we get a palindrome (95544559).

The spelling of 25022507 in words is "twenty-five million, twenty-two thousand, five hundred seven".