42524312 has 16 divisors (see below), whose sum is σ = 82305600. Its totient is φ = 20576160.

The previous prime is 42524239. The next prime is 42524329. The reversal of 42524312 is 21342524.

It is a happy number.

It is a super-2 number, since 2×42524312² = 3616634222146688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85487 + ... + 85982.

It is an arithmetic number, because the mean of its divisors is an integer number (5144100).

Almost surely, 2^42524312 is an apocalyptic number.

It is an amenable number.

42524312 is a deficient number, since it is larger than the sum of its proper divisors (39781288).

42524312 is a wasteful number, since it uses less digits than its factorization.

42524312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171506 (or 171502 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 42524312 is about 6521.0667838936. The cubic root of 42524312 is about 349.0431333404.

Adding to 42524312 its reverse (21342524), we get a palindrome (63866836).

The spelling of 42524312 in words is "forty-two million, five hundred twenty-four thousand, three hundred twelve".