25712527 has 4 divisors (see below), whose sum is σ = 25723720. Its totient is φ = 25701336.

The previous prime is 25712509. The next prime is 25712539. The reversal of 25712527 is 72521752.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25712527 - 2⁷ = 25712399 is a prime.

It is a super-2 number, since 2×25712527² = 1322268089451458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25712507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753 + ... + 7210.

It is an arithmetic number, because the mean of its divisors is an integer number (6430930).

Almost surely, 2^25712527 is an apocalyptic number.

25712527 is a deficient number, since it is larger than the sum of its proper divisors (11193).

25712527 is an equidigital number, since it uses as much as digits as its factorization.

25712527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11192.

The product of its digits is 9800, while the sum is 31.

The square root of 25712527 is about 5070.7521138387. The cubic root of 25712527 is about 295.1537147769.

The spelling of 25712527 in words is "twenty-five million, seven hundred twelve thousand, five hundred twenty-seven".