97567901 has 2 divisors, whose sum is σ = 97567902. Its totient is φ = 97567900.

The previous prime is 97567889. The next prime is 97567933. The reversal of 97567901 is 10976579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72267001 + 25300900 = 8501^2 + 5030^2 .

It is a cyclic number.

It is not a de Polignac number, because 97567901 - 2⁶ = 97567837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97567961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48783950 + 48783951.

It is an arithmetic number, because the mean of its divisors is an integer number (48783951).

Almost surely, 2^97567901 is an apocalyptic number.

It is an amenable number.

97567901 is a deficient number, since it is larger than the sum of its proper divisors (1).

97567901 is an equidigital number, since it uses as much as digits as its factorization.

97567901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 119070, while the sum is 44.

The square root of 97567901 is about 9877.6465314365. The cubic root of 97567901 is about 460.3650237507.

The spelling of 97567901 in words is "ninety-seven million, five hundred sixty-seven thousand, nine hundred one".