25915023 has 6 divisors (see below), whose sum is σ = 37432824. Its totient is φ = 17276676.

The previous prime is 25915013. The next prime is 25915033. The reversal of 25915023 is 32051952.

25915023 is a `hidden beast` number, since 2 + 591 + 50 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (25915013) and next prime (25915033).

It is not a de Polignac number, because 25915023 - 2⁵ = 25914991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25915003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1439715 + ... + 1439732.

It is an arithmetic number, because the mean of its divisors is an integer number (6238804).

Almost surely, 2^25915023 is an apocalyptic number.

25915023 is a deficient number, since it is larger than the sum of its proper divisors (11517801).

25915023 is a wasteful number, since it uses less digits than its factorization.

25915023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879453 (or 2879450 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 25915023 is about 5090.6800135149. The cubic root of 25915023 is about 295.9265058283.

Adding to 25915023 its reverse (32051952), we get a palindrome (57966975).

The spelling of 25915023 in words is "twenty-five million, nine hundred fifteen thousand, twenty-three".