324872531 has 2 divisors, whose sum is σ = 324872532. Its totient is φ = 324872530.

The previous prime is 324872521. The next prime is 324872549. The reversal of 324872531 is 135278423.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324872531 is a prime.

It is a super-2 number, since 2×324872531² = 211084322796691922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 324872491 and 324872500.

It is not a weakly prime, because it can be changed into another prime (324872501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162436265 + 162436266.

It is an arithmetic number, because the mean of its divisors is an integer number (162436266).

Almost surely, 2^324872531 is an apocalyptic number.

324872531 is a deficient number, since it is larger than the sum of its proper divisors (1).

324872531 is an equidigital number, since it uses as much as digits as its factorization.

324872531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 324872531 is about 18024.2206766340. The cubic root of 324872531 is about 687.4445352940. Note that the first 3 decimals are identical.

The spelling of 324872531 in words is "three hundred twenty-four million, eight hundred seventy-two thousand, five hundred thirty-one".