25086539 has 2 divisors, whose sum is σ = 25086540. Its totient is φ = 25086538.

The previous prime is 25086527. The next prime is 25086553. The reversal of 25086539 is 93568052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25086539 - 2⁸ = 25086283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25086569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12543269 + 12543270.

It is an arithmetic number, because the mean of its divisors is an integer number (12543270).

Almost surely, 2^25086539 is an apocalyptic number.

25086539 is a deficient number, since it is larger than the sum of its proper divisors (1).

25086539 is an equidigital number, since it uses as much as digits as its factorization.

25086539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 25086539 is about 5008.6464239353. The cubic root of 25086539 is about 292.7387740325.

The spelling of 25086539 in words is "twenty-five million, eighty-six thousand, five hundred thirty-nine".