97445563 has 2 divisors, whose sum is σ = 97445564. Its totient is φ = 97445562.

The previous prime is 97445489. The next prime is 97445603. The reversal of 97445563 is 36554479.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97445563 - 2²⁵ = 63891131 is a prime.

It is not a weakly prime, because it can be changed into another prime (97445263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48722781 + 48722782.

It is an arithmetic number, because the mean of its divisors is an integer number (48722782).

Almost surely, 2^97445563 is an apocalyptic number.

97445563 is a deficient number, since it is larger than the sum of its proper divisors (1).

97445563 is an equidigital number, since it uses as much as digits as its factorization.

97445563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 43.

The square root of 97445563 is about 9871.4519195506. The cubic root of 97445563 is about 460.1725298000.

The spelling of 97445563 in words is "ninety-seven million, four hundred forty-five thousand, five hundred sixty-three".