25100090 has 16 divisors (see below), whose sum is σ = 45239040. Its totient is φ = 10026960.

The previous prime is 25100087. The next prime is 25100123. The reversal of 25100090 is 9000152.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11291 + ... + 13329.

It is an arithmetic number, because the mean of its divisors is an integer number (2827440).

Almost surely, 2^25100090 is an apocalyptic number.

25100090 is a deficient number, since it is larger than the sum of its proper divisors (20138950).

25100090 is a wasteful number, since it uses less digits than its factorization.

25100090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 25100090 is about 5009.9990019959. Note that the first 3 decimals coincide. The cubic root of 25100090 is about 292.7914741289.

The spelling of 25100090 in words is "twenty-five million, one hundred thousand, ninety".