42628125 has 24 divisors (see below), whose sum is σ = 71057952. Its totient is φ = 22730000.

The previous prime is 42628123. The next prime is 42628127. The reversal of 42628125 is 52182624.

It is an interprime number because it is at equal distance from previous prime (42628123) and next prime (42628127).

It is not a de Polignac number, because 42628125 - 2¹ = 42628123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42628092 and 42628101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42628123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7102 + ... + 11648.

It is an arithmetic number, because the mean of its divisors is an integer number (2960748).

Almost surely, 2^42628125 is an apocalyptic number.

It is an amenable number.

42628125 is a deficient number, since it is larger than the sum of its proper divisors (28429827).

42628125 is an frugal number, since it uses more digits than its factorization.

42628125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575 (or 4555 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 42628125 is about 6529.0217490831. The cubic root of 42628125 is about 349.3269378001.

The spelling of 42628125 in words is "forty-two million, six hundred twenty-eight thousand, one hundred twenty-five".