25587045 has 24 divisors (see below), whose sum is σ = 48383712. Its totient is φ = 12405600.

The previous prime is 25587043. The next prime is 25587049. The reversal of 25587045 is 54078552.

It is a happy number.

It is not a de Polignac number, because 25587045 - 2¹ = 25587043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25587041) 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 23 ways as a sum of consecutive naturals, for example, 25351 + ... + 26340.

It is an arithmetic number, because the mean of its divisors is an integer number (2015988).

Almost surely, 2^25587045 is an apocalyptic number.

It is an amenable number.

25587045 is a deficient number, since it is larger than the sum of its proper divisors (22796667).

25587045 is a wasteful number, since it uses less digits than its factorization.

25587045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51713 (or 51710 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 25587045 is about 5058.3638659155. The cubic root of 25587045 is about 294.6727962651.

The spelling of 25587045 in words is "twenty-five million, five hundred eighty-seven thousand, forty-five".