42910625 has 20 divisors (see below), whose sum is σ = 54432576. Its totient is φ = 33810000.

The previous prime is 42910583. The next prime is 42910627. The reversal of 42910625 is 52601924.

It is a happy number.

It is not a de Polignac number, because 42910625 - 2⁶ = 42910561 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42910627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43892 + ... + 44858.

Almost surely, 2^42910625 is an apocalyptic number.

It is an amenable number.

42910625 is a deficient number, since it is larger than the sum of its proper divisors (11521951).

42910625 is an frugal number, since it uses more digits than its factorization.

42910625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 42910625 is about 6550.6201996452. The cubic root of 42910625 is about 350.0969119390.

The spelling of 42910625 in words is "forty-two million, nine hundred ten thousand, six hundred twenty-five".