42524831 has 16 divisors (see below), whose sum is σ = 46502400. Its totient is φ = 38750400.

The previous prime is 42524819. The next prime is 42524849. The reversal of 42524831 is 13842524.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42524831 - 2⁶ = 42524767 is a prime.

It is a super-2 number, since 2×42524831² = 3616722503157122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42524794 and 42524803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42524891) 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, 61196 + ... + 61886.

It is an arithmetic number, because the mean of its divisors is an integer number (2906400).

Almost surely, 2^42524831 is an apocalyptic number.

42524831 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

42524831 is a deficient number, since it is larger than the sum of its proper divisors (3977569).

42524831 is a wasteful number, since it uses less digits than its factorization.

42524831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830.

The product of its digits is 7680, while the sum is 29.

The square root of 42524831 is about 6521.1065778746. The cubic root of 42524831 is about 349.0445533332.

The spelling of 42524831 in words is "forty-two million, five hundred twenty-four thousand, eight hundred thirty-one".