25712959 has 4 divisors (see below), whose sum is σ = 27225504. Its totient is φ = 24200416.

The previous prime is 25712957. The next prime is 25712963. The reversal of 25712959 is 95921752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25712959 - 2¹ = 25712957 is a prime.

It is a super-2 number, since 2×25712959² = 1322312521071362, 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 (25712957) 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, 756247 + ... + 756280.

It is an arithmetic number, because the mean of its divisors is an integer number (6806376).

Almost surely, 2^25712959 is an apocalyptic number.

25712959 is a deficient number, since it is larger than the sum of its proper divisors (1512545).

25712959 is a wasteful number, since it uses less digits than its factorization.

25712959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512544.

The product of its digits is 56700, while the sum is 40.

The square root of 25712959 is about 5070.7947108910. The cubic root of 25712959 is about 295.1553677415.

The spelling of 25712959 in words is "twenty-five million, seven hundred twelve thousand, nine hundred fifty-nine".