25268990 has 16 divisors (see below), whose sum is σ = 45927648. Its totient is φ = 10009056.

The previous prime is 25268989. The next prime is 25269017. The reversal of 25268990 is 9986252.

It is a super-3 number, since 3×25268990³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11237 + ... + 13296.

It is an arithmetic number, because the mean of its divisors is an integer number (2870478).

Almost surely, 2^25268990 is an apocalyptic number.

25268990 is a deficient number, since it is larger than the sum of its proper divisors (20658658).

25268990 is a wasteful number, since it uses less digits than its factorization.

25268990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24643.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 25268990 is about 5026.8270310406. The cubic root of 25268990 is about 293.4467436240.

The spelling of 25268990 in words is "twenty-five million, two hundred sixty-eight thousand, nine hundred ninety".