42524331 has 8 divisors (see below), whose sum is σ = 57905664. Its totient is φ = 27746280.

The previous prime is 42524329. The next prime is 42524347. The reversal of 42524331 is 13342524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42524331 - 2¹ = 42524329 is a prime.

It is a super-2 number, since 2×42524331² = 3616637453995122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42524371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150655 + ... + 150936.

It is an arithmetic number, because the mean of its divisors is an integer number (7238208).

Almost surely, 2^42524331 is an apocalyptic number.

42524331 is a deficient number, since it is larger than the sum of its proper divisors (15381333).

42524331 is a wasteful number, since it uses less digits than its factorization.

42524331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301641.

The product of its digits is 2880, while the sum is 24.

The square root of 42524331 is about 6521.0682407103. The cubic root of 42524331 is about 349.0431853250.

Adding to 42524331 its reverse (13342524), we get a palindrome (55866855).

The spelling of 42524331 in words is "forty-two million, five hundred twenty-four thousand, three hundred thirty-one".