97550963 has 2 divisors, whose sum is σ = 97550964. Its totient is φ = 97550962.

The previous prime is 97550939. The next prime is 97550977. The reversal of 97550963 is 36905579.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97550963 - 2²⁴ = 80773747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97550903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48775481 + 48775482.

It is an arithmetic number, because the mean of its divisors is an integer number (48775482).

Almost surely, 2^97550963 is an apocalyptic number.

97550963 is a deficient number, since it is larger than the sum of its proper divisors (1).

97550963 is an equidigital number, since it uses as much as digits as its factorization.

97550963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 255150, while the sum is 44.

The square root of 97550963 is about 9876.7891037523. The cubic root of 97550963 is about 460.3383820855.

The spelling of 97550963 in words is "ninety-seven million, five hundred fifty thousand, nine hundred sixty-three".