25105090 has 32 divisors (see below), whose sum is σ = 48677760. Its totient is φ = 9287424.

The previous prime is 25105063. The next prime is 25105111. The reversal of 25105090 is 9050152.

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 15 ways as a sum of consecutive naturals, for example, 8779 + ... + 11281.

It is an arithmetic number, because the mean of its divisors is an integer number (1521180).

Almost surely, 2^25105090 is an apocalyptic number.

25105090 is a deficient number, since it is larger than the sum of its proper divisors (23572670).

25105090 is a wasteful number, since it uses less digits than its factorization.

25105090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 25105090 is about 5010.4979792432. The cubic root of 25105090 is about 292.8109144333.

The spelling of 25105090 in words is "twenty-five million, one hundred five thousand, ninety".