42587587925 has 12 divisors (see below), whose sum is σ = 52958219460. Its totient is φ = 33973547520.

The previous prime is 42587587909. The next prime is 42587587951. The reversal of 42587587925 is 52978578524.

42587587925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 8330760529 + 34256827396 = 91273^2 + 185086^2 .

It is not a de Polignac number, because 42587587925 - 2⁴ = 42587587909 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2404070 + ... + 2421719.

It is an arithmetic number, because the mean of its divisors is an integer number (4413184955).

Almost surely, 2^42587587925 is an apocalyptic number.

It is an amenable number.

42587587925 is a deficient number, since it is larger than the sum of its proper divisors (10370631535).

42587587925 is a wasteful number, since it uses less digits than its factorization.

42587587925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826152 (or 4826147 counting only the distinct ones).

The product of its digits is 56448000, while the sum is 62.

The spelling of 42587587925 in words is "forty-two billion, five hundred eighty-seven million, five hundred eighty-seven thousand, nine hundred twenty-five".