97064641 has 2 divisors, whose sum is σ = 97064642. Its totient is φ = 97064640.

The previous prime is 97064633. The next prime is 97064651. The reversal of 97064641 is 14646079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90174016 + 6890625 = 9496^2 + 2625^2 .

It is a cyclic number.

It is not a de Polignac number, because 97064641 - 2³ = 97064633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97064641.

It is not a weakly prime, because it can be changed into another prime (97064651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48532320 + 48532321.

It is an arithmetic number, because the mean of its divisors is an integer number (48532321).

Almost surely, 2^97064641 is an apocalyptic number.

It is an amenable number.

97064641 is a deficient number, since it is larger than the sum of its proper divisors (1).

97064641 is an equidigital number, since it uses as much as digits as its factorization.

97064641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 97064641 is about 9852.1389048267. The cubic root of 97064641 is about 459.5721304955.

The spelling of 97064641 in words is "ninety-seven million, sixty-four thousand, six hundred forty-one".