65065031 has 2 divisors, whose sum is σ = 65065032. Its totient is φ = 65065030.

The previous prime is 65065019. The next prime is 65065081. The reversal of 65065031 is 13056056.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65065031 is a prime.

It is a super-2 number, since 2×65065031² = 8466916518061922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65065081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32532515 + 32532516.

It is an arithmetic number, because the mean of its divisors is an integer number (32532516).

Almost surely, 2^65065031 is an apocalyptic number.

65065031 is a deficient number, since it is larger than the sum of its proper divisors (1).

65065031 is an equidigital number, since it uses as much as digits as its factorization.

65065031 is an evil number, because the sum of its binary digits is even.

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

The square root of 65065031 is about 8066.2897914717. The cubic root of 65065031 is about 402.2066192776.

The spelling of 65065031 in words is "sixty-five million, sixty-five thousand, thirty-one".