25255572 has 24 divisors (see below), whose sum is σ = 59642016. Its totient is φ = 8316768.

The previous prime is 25255561. The next prime is 25255609. The reversal of 25255572 is 27555252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11683 + ... + 13674.

It is an arithmetic number, because the mean of its divisors is an integer number (2485084).

Almost surely, 2^25255572 is an apocalyptic number.

It is an amenable number.

25255572 is an abundant number, since it is smaller than the sum of its proper divisors (34386444).

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

25255572 is a wasteful number, since it uses less digits than its factorization.

25255572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25447 (or 25445 counting only the distinct ones).

The product of its digits is 35000, while the sum is 33.

The square root of 25255572 is about 5025.4922146990. The cubic root of 25255572 is about 293.3947937103.

The spelling of 25255572 in words is "twenty-five million, two hundred fifty-five thousand, five hundred seventy-two".