97517801 has 2 divisors, whose sum is σ = 97517802. Its totient is φ = 97517800.

The previous prime is 97517789. The next prime is 97517821. The reversal of 97517801 is 10871579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89113600 + 8404201 = 9440^2 + 2899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97517801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97517821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48758900 + 48758901.

It is an arithmetic number, because the mean of its divisors is an integer number (48758901).

Almost surely, 2^97517801 is an apocalyptic number.

It is an amenable number.

97517801 is a deficient number, since it is larger than the sum of its proper divisors (1).

97517801 is an equidigital number, since it uses as much as digits as its factorization.

97517801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 97517801 is about 9875.1101766006. The cubic root of 97517801 is about 460.2862128702.

The spelling of 97517801 in words is "ninety-seven million, five hundred seventeen thousand, eight hundred one".