25090988 has 12 divisors (see below), whose sum is σ = 47286960. Its totient is φ = 11580432.

The previous prime is 25090987. The next prime is 25090993. The reversal of 25090988 is 88909052.

It is a happy number.

It is a super-2 number, since 2×25090988² = 1259115357632288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25090981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241208 + ... + 241311.

It is an arithmetic number, because the mean of its divisors is an integer number (3940580).

Almost surely, 2^25090988 is an apocalyptic number.

It is an amenable number.

25090988 is a deficient number, since it is larger than the sum of its proper divisors (22195972).

25090988 is a wasteful number, since it uses less digits than its factorization.

25090988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482536 (or 482534 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 25090988 is about 5009.0905362151. The cubic root of 25090988 is about 292.7560783701.

The spelling of 25090988 in words is "twenty-five million, ninety thousand, nine hundred eighty-eight".