42183725 has 12 divisors (see below), whose sum is σ = 54582816. Its totient is φ = 32279280.

The previous prime is 42183721. The next prime is 42183733. The reversal of 42183725 is 52738124.

It is not a de Polignac number, because 42183725 - 2² = 42183721 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42183691 and 42183700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42183721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36107 + ... + 37256.

It is an arithmetic number, because the mean of its divisors is an integer number (4548568).

Almost surely, 2^42183725 is an apocalyptic number.

It is an amenable number.

42183725 is a deficient number, since it is larger than the sum of its proper divisors (12399091).

42183725 is a wasteful number, since it uses less digits than its factorization.

42183725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73396 (or 73391 counting only the distinct ones).

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

The square root of 42183725 is about 6494.8999222467. The cubic root of 42183725 is about 348.1087788051.

The spelling of 42183725 in words is "forty-two million, one hundred eighty-three thousand, seven hundred twenty-five".