97969273 has 2 divisors, whose sum is σ = 97969274. Its totient is φ = 97969272.

The previous prime is 97969231. The next prime is 97969297. The reversal of 97969273 is 37296979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92987449 + 4981824 = 9643^2 + 2232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97969273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97969273.

It is not a weakly prime, because it can be changed into another prime (97969973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48984636 + 48984637.

It is an arithmetic number, because the mean of its divisors is an integer number (48984637).

Almost surely, 2^97969273 is an apocalyptic number.

It is an amenable number.

97969273 is a deficient number, since it is larger than the sum of its proper divisors (1).

97969273 is an equidigital number, since it uses as much as digits as its factorization.

97969273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1285956, while the sum is 52.

The square root of 97969273 is about 9897.9428670810. The cubic root of 97969273 is about 460.9954388370.

The spelling of 97969273 in words is "ninety-seven million, nine hundred sixty-nine thousand, two hundred seventy-three".