97494569 has 2 divisors, whose sum is σ = 97494570. Its totient is φ = 97494568.

The previous prime is 97494563. The next prime is 97494577. The reversal of 97494569 is 96549479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58905625 + 38588944 = 7675^2 + 6212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97494569 is a prime.

It is a super-2 number, since 2×97494569² = 19010381968991522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 97494569.

It is not a weakly prime, because it can be changed into another prime (97494563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48747284 + 48747285.

It is an arithmetic number, because the mean of its divisors is an integer number (48747285).

Almost surely, 2^97494569 is an apocalyptic number.

It is an amenable number.

97494569 is a deficient number, since it is larger than the sum of its proper divisors (1).

97494569 is an equidigital number, since it uses as much as digits as its factorization.

97494569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 53.

The square root of 97494569 is about 9873.9338158608. The cubic root of 97494569 is about 460.2496581131.

The spelling of 97494569 in words is "ninety-seven million, four hundred ninety-four thousand, five hundred sixty-nine".