25775090 has 16 divisors (see below), whose sum is σ = 50613120. Its totient is φ = 9372720.

The previous prime is 25775089. The next prime is 25775107. The reversal of 25775090 is 9057752.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25775090.

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, 117050 + ... + 117269.

It is an arithmetic number, because the mean of its divisors is an integer number (3163320).

Almost surely, 2^25775090 is an apocalyptic number.

25775090 is a deficient number, since it is larger than the sum of its proper divisors (24838030).

25775090 is a wasteful number, since it uses less digits than its factorization.

25775090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234337.

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 25775090 is about 5076.9173717917. The cubic root of 25775090 is about 295.3929074647.

It can be divided in two parts, 2577 and 5090, that added together give a palindrome (7667).

The spelling of 25775090 in words is "twenty-five million, seven hundred seventy-five thousand, ninety".