65384531 has 8 divisors (see below), whose sum is σ = 67813200. Its totient is φ = 62967520.

The previous prime is 65384519. The next prime is 65384537. The reversal of 65384531 is 13548356.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65384531 is a prime.

It is a super-2 number, since 2×65384531² = 8550273788179922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65384491 and 65384500.

It is not an unprimeable number, because it can be changed into a prime (65384537) 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, 9461 + ... + 14841.

It is an arithmetic number, because the mean of its divisors is an integer number (8476650).

Almost surely, 2^65384531 is an apocalyptic number.

65384531 is a deficient number, since it is larger than the sum of its proper divisors (2428669).

65384531 is a wasteful number, since it uses less digits than its factorization.

65384531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5829.

The product of its digits is 43200, while the sum is 35.

The square root of 65384531 is about 8086.0701827278. The cubic root of 65384531 is about 402.8638860395.

It can be divided in two parts, 653 and 84531, that added together give a cube (85184 = 44³).

The spelling of 65384531 in words is "sixty-five million, three hundred eighty-four thousand, five hundred thirty-one".