65384731 has 2 divisors, whose sum is σ = 65384732. Its totient is φ = 65384730.

The previous prime is 65384729. The next prime is 65384749. The reversal of 65384731 is 13748356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65384731 - 2¹ = 65384729 is a prime.

It is a super-2 number, since 2×65384731² = 8550326095884722, which contains 22 as substring.

Together with 65384729, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65385731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32692365 + 32692366.

It is an arithmetic number, because the mean of its divisors is an integer number (32692366).

Almost surely, 2^65384731 is an apocalyptic number.

65384731 is a deficient number, since it is larger than the sum of its proper divisors (1).

65384731 is an equidigital number, since it uses as much as digits as its factorization.

65384731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 65384731 is about 8086.0825496652. The cubic root of 65384731 is about 402.8642968028.

The spelling of 65384731 in words is "sixty-five million, three hundred eighty-four thousand, seven hundred thirty-one".