42713825 has 24 divisors (see below), whose sum is σ = 66037440. Its totient is φ = 26625600.

The previous prime is 42713821. The next prime is 42713849. The reversal of 42713825 is 52831724.

It is not a de Polignac number, because 42713825 - 2² = 42713821 is a prime.

It is a super-2 number, since 2×42713825² = 3648941692261250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42713791 and 42713800.

It is not an unprimeable number, because it can be changed into a prime (42713821) 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, 9170 + ... + 13019.

It is an arithmetic number, because the mean of its divisors is an integer number (2751560).

Almost surely, 2^42713825 is an apocalyptic number.

It is an amenable number.

42713825 is a deficient number, since it is larger than the sum of its proper divisors (23323615).

42713825 is a wasteful number, since it uses less digits than its factorization.

42713825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22217 (or 22212 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 42713825 is about 6535.5814584473. The cubic root of 42713825 is about 349.5608778640.

The spelling of 42713825 in words is "forty-two million, seven hundred thirteen thousand, eight hundred twenty-five".