25572573 has 72 divisors (see below), whose sum is σ = 45220032. Its totient is φ = 13837824.

The previous prime is 25572541. The next prime is 25572601. The reversal of 25572573 is 37527552.

It is a happy number.

It is not a de Polignac number, because 25572573 - 2⁵ = 25572541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25172573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 594690 + ... + 594732.

It is an arithmetic number, because the mean of its divisors is an integer number (628056).

Almost surely, 2^25572573 is an apocalyptic number.

25572573 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25572573 is a deficient number, since it is larger than the sum of its proper divisors (19647459).

25572573 is a wasteful number, since it uses less digits than its factorization.

25572573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 99 counting only the distinct ones).

The product of its digits is 73500, while the sum is 36.

The square root of 25572573 is about 5056.9331615120. The cubic root of 25572573 is about 294.6172302686.

The spelling of 25572573 in words is "twenty-five million, five hundred seventy-two thousand, five hundred seventy-three".