25574423 has 8 divisors (see below), whose sum is σ = 29824800. Its totient is φ = 21920640.

The previous prime is 25574407. The next prime is 25574429. The reversal of 25574423 is 32447552.

It is not a de Polignac number, because 25574423 - 2⁴ = 25574407 is a prime.

It is a super-2 number, since 2×25574423² = 1308102223565858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25574423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25574429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36938 + ... + 37623.

It is an arithmetic number, because the mean of its divisors is an integer number (3728100).

Almost surely, 2^25574423 is an apocalyptic number.

25574423 is a deficient number, since it is larger than the sum of its proper divisors (4250377).

25574423 is an frugal number, since it uses more digits than its factorization.

25574423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74582 (or 74568 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 25574423 is about 5057.1160753932. The cubic root of 25574423 is about 294.6243346082.

The spelling of 25574423 in words is "twenty-five million, five hundred seventy-four thousand, four hundred twenty-three".