97318453 has 2 divisors, whose sum is σ = 97318454. Its totient is φ = 97318452.

The previous prime is 97318439. The next prime is 97318469. The reversal of 97318453 is 35481379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57653649 + 39664804 = 7593^2 + 6298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97318453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97318253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48659226 + 48659227.

It is an arithmetic number, because the mean of its divisors is an integer number (48659227).

Almost surely, 2^97318453 is an apocalyptic number.

It is an amenable number.

97318453 is a deficient number, since it is larger than the sum of its proper divisors (1).

97318453 is an equidigital number, since it uses as much as digits as its factorization.

97318453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 97318453 is about 9865.0115559993. The cubic root of 97318453 is about 459.9723565619.

The spelling of 97318453 in words is "ninety-seven million, three hundred eighteen thousand, four hundred fifty-three".