25042572 has 18 divisors (see below), whose sum is σ = 63302148. Its totient is φ = 8347512.

The previous prime is 25042571. The next prime is 25042603. The reversal of 25042572 is 27524052.

25042572 is a `hidden beast` number, since 2 + 50 + 42 + 572 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (25042571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 347778 + ... + 347849.

It is an arithmetic number, because the mean of its divisors is an integer number (3516786).

Almost surely, 2^25042572 is an apocalyptic number.

It is an amenable number.

25042572 is an abundant number, since it is smaller than the sum of its proper divisors (38259576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25042572 is a wasteful number, since it uses less digits than its factorization.

25042572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695637 (or 695632 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 25042572 is about 5004.2553891663. The cubic root of 25042572 is about 292.5676547427.

The spelling of 25042572 in words is "twenty-five million, forty-two thousand, five hundred seventy-two".