25075990 has 16 divisors (see below), whose sum is σ = 45367200. Its totient is φ = 9979200.

The previous prime is 25075961. The next prime is 25075997. The reversal of 25075990 is 9957052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25075997) by changing a digit.

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, 4311 + ... + 8290.

It is an arithmetic number, because the mean of its divisors is an integer number (2835450).

Almost surely, 2^25075990 is an apocalyptic number.

25075990 is a deficient number, since it is larger than the sum of its proper divisors (20291210).

25075990 is a wasteful number, since it uses less digits than its factorization.

25075990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12807.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 25075990 is about 5007.5932342793. The cubic root of 25075990 is about 292.6977356323.

The spelling of 25075990 in words is "twenty-five million, seventy-five thousand, nine hundred ninety".