25579023 has 16 divisors (see below), whose sum is σ = 35333760. Its totient is φ = 16448544.

The previous prime is 25579009. The next prime is 25579031. The reversal of 25579023 is 32097552.

It is not a de Polignac number, because 25579023 - 2⁸ = 25578767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25579003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9513 + ... + 11901.

It is an arithmetic number, because the mean of its divisors is an integer number (2208360).

Almost surely, 2^25579023 is an apocalyptic number.

25579023 is a deficient number, since it is larger than the sum of its proper divisors (9754737).

25579023 is a wasteful number, since it uses less digits than its factorization.

25579023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 25579023 is about 5057.5708596123. The cubic root of 25579023 is about 294.6419979678.

The spelling of 25579023 in words is "twenty-five million, five hundred seventy-nine thousand, twenty-three".