25920575 has 12 divisors (see below), whose sum is σ = 32222640. Its totient is φ = 20684160.

The previous prime is 25920523. The next prime is 25920589. The reversal of 25920575 is 57502952.

It is not a de Polignac number, because 25920575 - 2¹² = 25916479 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 11111 + ... + 13239.

It is an arithmetic number, because the mean of its divisors is an integer number (2685220).

Almost surely, 2^25920575 is an apocalyptic number.

25920575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25920575 is a deficient number, since it is larger than the sum of its proper divisors (6302065).

25920575 is a wasteful number, since it uses less digits than its factorization.

25920575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626 (or 2621 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 25920575 is about 5091.2252945632. The cubic root of 25920575 is about 295.9476372861.

The spelling of 25920575 in words is "twenty-five million, nine hundred twenty thousand, five hundred seventy-five".