97517963 has 2 divisors, whose sum is σ = 97517964. Its totient is φ = 97517962.

The previous prime is 97517941. The next prime is 97517969. The reversal of 97517963 is 36971579.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97517963 - 2¹⁶ = 97452427 is a prime.

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 (97517969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48758981 + 48758982.

It is an arithmetic number, because the mean of its divisors is an integer number (48758982).

Almost surely, 2^97517963 is an apocalyptic number.

97517963 is a deficient number, since it is larger than the sum of its proper divisors (1).

97517963 is an equidigital number, since it uses as much as digits as its factorization.

97517963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 357210, while the sum is 47.

The square root of 97517963 is about 9875.1183790373. The cubic root of 97517963 is about 460.2864677512.

The spelling of 97517963 in words is "ninety-seven million, five hundred seventeen thousand, nine hundred sixty-three".