42502625 has 16 divisors (see below), whose sum is σ = 57867264. Its totient is φ = 30910000.

The previous prime is 42502591. The next prime is 42502627. The reversal of 42502625 is 52620524.

It is not a de Polignac number, because 42502625 - 2⁶ = 42502561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42502594 and 42502603.

It is not an unprimeable number, because it can be changed into a prime (42502627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14081 + ... + 16830.

It is an arithmetic number, because the mean of its divisors is an integer number (3616704).

Almost surely, 2^42502625 is an apocalyptic number.

It is an amenable number.

42502625 is a deficient number, since it is larger than the sum of its proper divisors (15364639).

42502625 is a wasteful number, since it uses less digits than its factorization.

42502625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30937 (or 30927 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 42502625 is about 6519.4037304036. The cubic root of 42502625 is about 348.9837870099.

The spelling of 42502625 in words is "forty-two million, five hundred two thousand, six hundred twenty-five".