25472623 has 4 divisors (see below), whose sum is σ = 27788328. Its totient is φ = 23156920.

The previous prime is 25472609. The next prime is 25472627. The reversal of 25472623 is 32627452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25472623 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25472627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157836 + ... + 1157857.

It is an arithmetic number, because the mean of its divisors is an integer number (6947082).

Almost surely, 2^25472623 is an apocalyptic number.

25472623 is a deficient number, since it is larger than the sum of its proper divisors (2315705).

25472623 is a wasteful number, since it uses less digits than its factorization.

25472623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315704.

The product of its digits is 20160, while the sum is 31.

The square root of 25472623 is about 5047.0410142974. The cubic root of 25472623 is about 294.2328935021.

The spelling of 25472623 in words is "twenty-five million, four hundred seventy-two thousand, six hundred twenty-three".