65050631 has 2 divisors, whose sum is σ = 65050632. Its totient is φ = 65050630.

The previous prime is 65050607. The next prime is 65050651. The reversal of 65050631 is 13605056.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65050631 is a prime.

It is a super-2 number, since 2×65050631² = 8463169186996322, which contains 22 as substring.

It is a Sophie Germain prime.

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 65050631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65050651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32525315 + 32525316.

It is an arithmetic number, because the mean of its divisors is an integer number (32525316).

Almost surely, 2^65050631 is an apocalyptic number.

65050631 is a deficient number, since it is larger than the sum of its proper divisors (1).

65050631 is an equidigital number, since it uses as much as digits as its factorization.

65050631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 65050631 is about 8065.3971383931. The cubic root of 65050631 is about 402.1769453623.

Adding to 65050631 its reverse (13605056), we get a palindrome (78655687).

The spelling of 65050631 in words is "sixty-five million, fifty thousand, six hundred thirty-one".