25223475 has 24 divisors (see below), whose sum is σ = 43144560. Its totient is φ = 12987520.

The previous prime is 25223467. The next prime is 25223477. The reversal of 25223475 is 57432252.

It is not a de Polignac number, because 25223475 - 2³ = 25223467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25223477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3624 + ... + 7973.

It is an arithmetic number, because the mean of its divisors is an integer number (1797690).

Almost surely, 2^25223475 is an apocalyptic number.

25223475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25223475 is a deficient number, since it is larger than the sum of its proper divisors (17921085).

25223475 is a wasteful number, since it uses less digits than its factorization.

25223475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11639 (or 11634 counting only the distinct ones).

The product of its digits is 16800, while the sum is 30.

The square root of 25223475 is about 5022.2977808967. The cubic root of 25223475 is about 293.2704503922.

The spelling of 25223475 in words is "twenty-five million, two hundred twenty-three thousand, four hundred seventy-five".