25632959 has 8 divisors (see below), whose sum is σ = 28045440. Its totient is φ = 23234200.

The previous prime is 25632947. The next prime is 25633009. The reversal of 25632959 is 95923652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25632959 - 2²⁰ = 24584383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25632059) 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 7 ways as a sum of consecutive naturals, for example, 704 + ... + 7194.

It is an arithmetic number, because the mean of its divisors is an integer number (3505680).

Almost surely, 2^25632959 is an apocalyptic number.

25632959 is a deficient number, since it is larger than the sum of its proper divisors (2412481).

25632959 is a wasteful number, since it uses less digits than its factorization.

25632959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6861.

The product of its digits is 145800, while the sum is 41.

The square root of 25632959 is about 5062.9002557823. The cubic root of 25632959 is about 294.8489468941.

The spelling of 25632959 in words is "twenty-five million, six hundred thirty-two thousand, nine hundred fifty-nine".