25575572 has 12 divisors (see below), whose sum is σ = 48826176. Its totient is φ = 11625240.

The previous prime is 25575569. The next prime is 25575581. The reversal of 25575572 is 27557552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290588 + ... + 290675.

It is an arithmetic number, because the mean of its divisors is an integer number (4068848).

Almost surely, 2^25575572 is an apocalyptic number.

25575572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25575572 is a deficient number, since it is larger than the sum of its proper divisors (23250604).

25575572 is a wasteful number, since it uses less digits than its factorization.

25575572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581278 (or 581276 counting only the distinct ones).

The product of its digits is 122500, while the sum is 38.

The square root of 25575572 is about 5057.2296764138. The cubic root of 25575572 is about 294.6287468067.

The spelling of 25575572 in words is "twenty-five million, five hundred seventy-five thousand, five hundred seventy-two".