25572951 has 6 divisors (see below), whose sum is σ = 36938720. Its totient is φ = 17048628.

The previous prime is 25572931. The next prime is 25572959. The reversal of 25572951 is 15927552.

It is not a de Polignac number, because 25572951 - 2⁵ = 25572919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25572959) 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 5 ways as a sum of consecutive naturals, for example, 1420711 + ... + 1420728.

Almost surely, 2^25572951 is an apocalyptic number.

25572951 is a deficient number, since it is larger than the sum of its proper divisors (11365769).

25572951 is a wasteful number, since it uses less digits than its factorization.

25572951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841445 (or 2841442 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 25572951 is about 5056.9705358050. The cubic root of 25572951 is about 294.6186818858.

The spelling of 25572951 in words is "twenty-five million, five hundred seventy-two thousand, nine hundred fifty-one".