97175513 has 2 divisors, whose sum is σ = 97175514. Its totient is φ = 97175512.

The previous prime is 97175509. The next prime is 97175521. The reversal of 97175513 is 31557179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55547209 + 41628304 = 7453^2 + 6452^2 .

It is an emirp because it is prime and its reverse (31557179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97175513 - 2² = 97175509 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97175543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48587756 + 48587757.

It is an arithmetic number, because the mean of its divisors is an integer number (48587757).

Almost surely, 2^97175513 is an apocalyptic number.

It is an amenable number.

97175513 is a deficient number, since it is larger than the sum of its proper divisors (1).

97175513 is an equidigital number, since it uses as much as digits as its factorization.

97175513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33075, while the sum is 38.

The square root of 97175513 is about 9857.7640974006. The cubic root of 97175513 is about 459.7470458661.

The spelling of 97175513 in words is "ninety-seven million, one hundred seventy-five thousand, five hundred thirteen".