65531324 has 24 divisors (see below), whose sum is σ = 121638048. Its totient is φ = 30824640.

The previous prime is 65531321. The next prime is 65531341. The reversal of 65531324 is 42313556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65531321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227 + ... + 11450.

It is an arithmetic number, because the mean of its divisors is an integer number (5068252).

Almost surely, 2^65531324 is an apocalyptic number.

It is an amenable number.

65531324 is a deficient number, since it is larger than the sum of its proper divisors (56106724).

65531324 is a wasteful number, since it uses less digits than its factorization.

65531324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11765 (or 11763 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 65531324 is about 8095.1419999899. The cubic root of 65531324 is about 403.1651468860.

The spelling of 65531324 in words is "sixty-five million, five hundred thirty-one thousand, three hundred twenty-four".