42087925 has 24 divisors (see below), whose sum is σ = 58781952. Its totient is φ = 29616000.

The previous prime is 42087919. The next prime is 42088003. The reversal of 42087925 is 52978024.

42087925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42087925 - 2⁵ = 42087893 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 23 ways as a sum of consecutive naturals, for example, 6057 + ... + 10993.

It is an arithmetic number, because the mean of its divisors is an integer number (2449248).

Almost surely, 2^42087925 is an apocalyptic number.

It is an amenable number.

42087925 is a deficient number, since it is larger than the sum of its proper divisors (16694027).

42087925 is a wasteful number, since it uses less digits than its factorization.

42087925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4989 (or 4984 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 42087925 is about 6487.5207128764. The cubic root of 42087925 is about 347.8450586289.

The spelling of 42087925 in words is "forty-two million, eighty-seven thousand, nine hundred twenty-five".