25427585 has 16 divisors (see below), whose sum is σ = 31715712. Its totient is φ = 19555200.

The previous prime is 25427551. The next prime is 25427593. The reversal of 25427585 is 58572452.

It is not a de Polignac number, because 25427585 - 2¹⁰ = 25426561 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 13682 + ... + 15428.

It is an arithmetic number, because the mean of its divisors is an integer number (1982232).

Almost surely, 2^25427585 is an apocalyptic number.

It is an amenable number.

25427585 is a deficient number, since it is larger than the sum of its proper divisors (6288127).

25427585 is a wasteful number, since it uses less digits than its factorization.

25427585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864.

The product of its digits is 112000, while the sum is 38.

The square root of 25427585 is about 5042.5772180503. The cubic root of 25427585 is about 294.0593806971.

The spelling of 25427585 in words is "twenty-five million, four hundred twenty-seven thousand, five hundred eighty-five".