42958625 has 16 divisors (see below), whose sum is σ = 53795664. Its totient is φ = 34249600.

The previous prime is 42958613. The next prime is 42958627. The reversal of 42958625 is 52685924.

It can be written as a sum of positive squares in 8 ways, for example, as 35952016 + 7006609 = 5996^2 + 2647^2 .

It is not a de Polignac number, because 42958625 - 2⁶ = 42958561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42958627) 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, 69317 + ... + 69933.

It is an arithmetic number, because the mean of its divisors is an integer number (3362229).

Almost surely, 2^42958625 is an apocalyptic number.

It is an amenable number.

42958625 is a deficient number, since it is larger than the sum of its proper divisors (10837039).

42958625 is an equidigital number, since it uses as much as digits as its factorization.

42958625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1179 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 42958625 is about 6554.2829508650. The cubic root of 42958625 is about 350.2274032392.

The spelling of 42958625 in words is "forty-two million, nine hundred fifty-eight thousand, six hundred twenty-five".