97763513 has 2 divisors, whose sum is σ = 97763514. Its totient is φ = 97763512.

The previous prime is 97763503. The next prime is 97763579. The reversal of 97763513 is 31536779.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81667369 + 16096144 = 9037^2 + 4012^2 .

It is a cyclic number.

It is not a de Polignac number, because 97763513 - 2²⁶ = 30654649 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (97763503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48881756 + 48881757.

It is an arithmetic number, because the mean of its divisors is an integer number (48881757).

Almost surely, 2^97763513 is an apocalyptic number.

It is an amenable number.

97763513 is a deficient number, since it is larger than the sum of its proper divisors (1).

97763513 is an equidigital number, since it uses as much as digits as its factorization.

97763513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119070, while the sum is 41.

The square root of 97763513 is about 9887.5433248103. The cubic root of 97763513 is about 460.6724773540.

The spelling of 97763513 in words is "ninety-seven million, seven hundred sixty-three thousand, five hundred thirteen".