25290055 has 32 divisors (see below), whose sum is σ = 36334080. Its totient is φ = 16536960.

The previous prime is 25290043. The next prime is 25290061. The reversal of 25290055 is 55009252.

It is not a de Polignac number, because 25290055 - 2²³ = 16901447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76240 + ... + 76570.

It is an arithmetic number, because the mean of its divisors is an integer number (1135440).

Almost surely, 2^25290055 is an apocalyptic number.

25290055 is a deficient number, since it is larger than the sum of its proper divisors (11044025).

25290055 is a wasteful number, since it uses less digits than its factorization.

25290055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 25290055 is about 5028.9218526440. The cubic root of 25290055 is about 293.5282630248.

The spelling of 25290055 in words is "twenty-five million, two hundred ninety thousand, fifty-five".