42902625 has 16 divisors (see below), whose sum is σ = 71390592. Its totient is φ = 22881200.

The previous prime is 42902621. The next prime is 42902633. The reversal of 42902625 is 52620924.

It is not a de Polignac number, because 42902625 - 2² = 42902621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42902592 and 42902601.

It is not an unprimeable number, because it can be changed into a prime (42902621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56829 + ... + 57578.

It is an arithmetic number, because the mean of its divisors is an integer number (4461912).

Almost surely, 2^42902625 is an apocalyptic number.

It is an amenable number.

42902625 is a deficient number, since it is larger than the sum of its proper divisors (28487967).

42902625 is a wasteful number, since it uses less digits than its factorization.

42902625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114425 (or 114415 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 42902625 is about 6550.0095419778. The cubic root of 42902625 is about 350.0751539294.

The spelling of 42902625 in words is "forty-two million, nine hundred two thousand, six hundred twenty-five".