97567499 has 2 divisors, whose sum is σ = 97567500. Its totient is φ = 97567498.

The previous prime is 97567469. The next prime is 97567517. The reversal of 97567499 is 99476579.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97567499 is a prime.

It is a super-2 number, since 2×97567499² = 19038833722230002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97567439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48783749 + 48783750.

It is an arithmetic number, because the mean of its divisors is an integer number (48783750).

Almost surely, 2^97567499 is an apocalyptic number.

97567499 is a deficient number, since it is larger than the sum of its proper divisors (1).

97567499 is an equidigital number, since it uses as much as digits as its factorization.

97567499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4286520, while the sum is 56.

The square root of 97567499 is about 9877.6261824388. The cubic root of 97567499 is about 460.3643914833.

The spelling of 97567499 in words is "ninety-seven million, five hundred sixty-seven thousand, four hundred ninety-nine".