97916453 has 4 divisors (see below), whose sum is σ = 98270220. Its totient is φ = 97562688.

The previous prime is 97916437. The next prime is 97916479. The reversal of 97916453 is 35461979.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35461979 = 7 ⋅5065997.

It can be written as a sum of positive squares in 2 ways, for example, as 60730849 + 37185604 = 7793^2 + 6098^2 .

It is a cyclic number.

It is not a de Polignac number, because 97916453 - 2⁴ = 97916437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97916053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176468 + ... + 177021.

It is an arithmetic number, because the mean of its divisors is an integer number (24567555).

Almost surely, 2^97916453 is an apocalyptic number.

It is an amenable number.

97916453 is a deficient number, since it is larger than the sum of its proper divisors (353767).

97916453 is a wasteful number, since it uses less digits than its factorization.

97916453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353766.

The product of its digits is 204120, while the sum is 44.

The square root of 97916453 is about 9895.2742761381. The cubic root of 97916453 is about 460.9125755892.

The spelling of 97916453 in words is "ninety-seven million, nine hundred sixteen thousand, four hundred fifty-three".