25531051 has 8 divisors (see below), whose sum is σ = 31422944. Its totient is φ = 20200320.

The previous prime is 25531043. The next prime is 25531063. The reversal of 25531051 is 15013552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25531051 - 2³ = 25531043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25531021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140190 + ... + 140371.

It is an arithmetic number, because the mean of its divisors is an integer number (3927868).

Almost surely, 2^25531051 is an apocalyptic number.

25531051 is a deficient number, since it is larger than the sum of its proper divisors (5891893).

25531051 is a wasteful number, since it uses less digits than its factorization.

25531051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280581.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 25531051 is about 5052.8260409399. The cubic root of 25531051 is about 294.4576879399.

The spelling of 25531051 in words is "twenty-five million, five hundred thirty-one thousand, fifty-one".