65075588231 has 2 divisors, whose sum is σ = 65075588232. Its totient is φ = 65075588230.

The previous prime is 65075588191. The next prime is 65075588257. The reversal of 65075588231 is 13288557056.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65075588231 - 2¹⁸ = 65075326087 is a prime.

It is a super-2 number, since 2×65075588231² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65075588231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65075588261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32537794115 + 32537794116.

It is an arithmetic number, because the mean of its divisors is an integer number (32537794116).

Almost surely, 2^65075588231 is an apocalyptic number.

65075588231 is a deficient number, since it is larger than the sum of its proper divisors (1).

65075588231 is an equidigital number, since it uses as much as digits as its factorization.

65075588231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 65075588231 in words is "sixty-five billion, seventy-five million, five hundred eighty-eight thousand, two hundred thirty-one".