25210090 has 32 divisors (see below), whose sum is σ = 46531584. Its totient is φ = 9831360.

The previous prime is 25210067. The next prime is 25210091. The reversal of 25210090 is 9001252.

It is not an unprimeable number, because it can be changed into a prime (25210091) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 127872 + ... + 128068.

It is an arithmetic number, because the mean of its divisors is an integer number (1454112).

Almost surely, 2^25210090 is an apocalyptic number.

25210090 is a deficient number, since it is larger than the sum of its proper divisors (21321494).

25210090 is a wasteful number, since it uses less digits than its factorization.

25210090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 25210090 is about 5020.9650466818. The cubic root of 25210090 is about 293.2185659270.

The spelling of 25210090 in words is "twenty-five million, two hundred ten thousand, ninety".