324535681 has 12 divisors (see below), whose sum is σ = 340844868. Its totient is φ = 308975744.

The previous prime is 324535667. The next prime is 324535699. The reversal of 324535681 is 186535423.

It can be written as a sum of positive squares in 2 ways, for example, as 59367025 + 265168656 = 7705^2 + 16284^2 .

It is not a de Polignac number, because 324535681 - 2⁵ = 324535649 is a prime.

It is a super-2 number, since 2×324535681² = 210646816484267522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 324535681.

It is not an unprimeable number, because it can be changed into a prime (324535481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121941 + ... + 124573.

It is an arithmetic number, because the mean of its divisors is an integer number (28403739).

Almost surely, 2^324535681 is an apocalyptic number.

It is an amenable number.

324535681 is a deficient number, since it is larger than the sum of its proper divisors (16309187).

324535681 is a wasteful number, since it uses less digits than its factorization.

324535681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912 (or 2889 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 324535681 is about 18014.8738824339. The cubic root of 324535681 is about 687.2068566662.

The spelling of 324535681 in words is "three hundred twenty-four million, five hundred thirty-five thousand, six hundred eighty-one".