97920601 has 2 divisors, whose sum is σ = 97920602. Its totient is φ = 97920600.

The previous prime is 97920583. The next prime is 97920607. The reversal of 97920601 is 10602979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81920601 + 16000000 = 9051^2 + 4000^2 .

It is a cyclic number.

It is not a de Polignac number, because 97920601 - 2⁵ = 97920569 is a prime.

It is not a weakly prime, because it can be changed into another prime (97920607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48960300 + 48960301.

It is an arithmetic number, because the mean of its divisors is an integer number (48960301).

Almost surely, 2^97920601 is an apocalyptic number.

It is an amenable number.

97920601 is a deficient number, since it is larger than the sum of its proper divisors (1).

97920601 is an equidigital number, since it uses as much as digits as its factorization.

97920601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 97920601 is about 9895.4838689172. The cubic root of 97920601 is about 460.9190839893.

The spelling of 97920601 in words is "ninety-seven million, nine hundred twenty thousand, six hundred one".