65375237 has 2 divisors, whose sum is σ = 65375238. Its totient is φ = 65375236.

The previous prime is 65375213. The next prime is 65375239. The reversal of 65375237 is 73257356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65189476 + 185761 = 8074^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 65375237 - 2⁶ = 65375173 is a prime.

It is a super-2 number, since 2×65375237² = 8547843225612338, which contains 22 as substring.

Together with 65375239, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65375237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65375239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32687618 + 32687619.

It is an arithmetic number, because the mean of its divisors is an integer number (32687619).

Almost surely, 2^65375237 is an apocalyptic number.

It is an amenable number.

65375237 is a deficient number, since it is larger than the sum of its proper divisors (1).

65375237 is an equidigital number, since it uses as much as digits as its factorization.

65375237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 38.

The square root of 65375237 is about 8085.4954702850. The cubic root of 65375237 is about 402.8447969455.

The spelling of 65375237 in words is "sixty-five million, three hundred seventy-five thousand, two hundred thirty-seven".