65112571 has 2 divisors, whose sum is σ = 65112572. Its totient is φ = 65112570.

The previous prime is 65112557. The next prime is 65112599. The reversal of 65112571 is 17521156.

It is an a-pointer prime, because the next prime (65112599) can be obtained adding 65112571 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65112571 - 2⁵ = 65112539 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65112871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32556285 + 32556286.

It is an arithmetic number, because the mean of its divisors is an integer number (32556286).

Almost surely, 2^65112571 is an apocalyptic number.

65112571 is a deficient number, since it is larger than the sum of its proper divisors (1).

65112571 is an equidigital number, since it uses as much as digits as its factorization.

65112571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2100, while the sum is 28.

The square root of 65112571 is about 8069.2360852809. The cubic root of 65112571 is about 402.3045533360.

The spelling of 65112571 in words is "sixty-five million, one hundred twelve thousand, five hundred seventy-one".