8374520531 has 16 divisors (see below), whose sum is σ = 9168700800. Its totient is φ = 7602536448.

The previous prime is 8374520459. The next prime is 8374520533. The reversal of 8374520531 is 1350254738.

It is a de Polignac number, because none of the positive numbers 2^k-8374520531 is a prime.

It is a super-2 number, since 2×8374520531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8374520533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248075 + ... + 279803.

It is an arithmetic number, because the mean of its divisors is an integer number (573043800).

Almost surely, 2^8374520531 is an apocalyptic number.

8374520531 is a deficient number, since it is larger than the sum of its proper divisors (794180269).

8374520531 is a wasteful number, since it uses less digits than its factorization.

8374520531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32078.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 8374520531 is about 91512.4064321336. The cubic root of 8374520531 is about 2030.7352955249.

The spelling of 8374520531 in words is "eight billion, three hundred seventy-four million, five hundred twenty thousand, five hundred thirty-one".