65175961 has 2 divisors, whose sum is σ = 65175962. Its totient is φ = 65175960.

The previous prime is 65175953. The next prime is 65175973. The reversal of 65175961 is 16957156.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64641600 + 534361 = 8040^2 + 731^2 .

It is a cyclic number.

It is not a de Polignac number, because 65175961 - 2³ = 65175953 is a prime.

It is not a weakly prime, because it can be changed into another prime (65175911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32587980 + 32587981.

It is an arithmetic number, because the mean of its divisors is an integer number (32587981).

Almost surely, 2^65175961 is an apocalyptic number.

It is an amenable number.

65175961 is a deficient number, since it is larger than the sum of its proper divisors (1).

65175961 is an equidigital number, since it uses as much as digits as its factorization.

65175961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 40.

The square root of 65175961 is about 8073.1630108651. The cubic root of 65175961 is about 402.4350648175.

The spelling of 65175961 in words is "sixty-five million, one hundred seventy-five thousand, nine hundred sixty-one".