65232631 has 2 divisors, whose sum is σ = 65232632. Its totient is φ = 65232630.

The previous prime is 65232619. The next prime is 65232653. The reversal of 65232631 is 13623256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65232631 - 2¹⁷ = 65101559 is a prime.

It is a super-2 number, since 2×65232631² = 8510592294364322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65232631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65232691) 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 as a sum of consecutive naturals, namely, 32616315 + 32616316.

It is an arithmetic number, because the mean of its divisors is an integer number (32616316).

Almost surely, 2^65232631 is an apocalyptic number.

65232631 is a deficient number, since it is larger than the sum of its proper divisors (1).

65232631 is an equidigital number, since it uses as much as digits as its factorization.

65232631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 28.

The square root of 65232631 is about 8076.6720250361. The cubic root of 65232631 is about 402.5516690996.

Adding to 65232631 its reverse (13623256), we get a palindrome (78855887).

The spelling of 65232631 in words is "sixty-five million, two hundred thirty-two thousand, six hundred thirty-one".