97616263 has 2 divisors, whose sum is σ = 97616264. Its totient is φ = 97616262.

The previous prime is 97616251. The next prime is 97616269. The reversal of 97616263 is 36261679.

It is a strong prime.

It is an emirp because it is prime and its reverse (36261679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97616263 - 2⁵ = 97616231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97616269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48808131 + 48808132.

It is an arithmetic number, because the mean of its divisors is an integer number (48808132).

Almost surely, 2^97616263 is an apocalyptic number.

97616263 is a deficient number, since it is larger than the sum of its proper divisors (1).

97616263 is an equidigital number, since it uses as much as digits as its factorization.

97616263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 97616263 is about 9880.0942809267. The cubic root of 97616263 is about 460.4410750458.

It can be divided in two parts, 97616 and 263, that added together give a palindrome (97879).

The spelling of 97616263 in words is "ninety-seven million, six hundred sixteen thousand, two hundred sixty-three".