97455913 has 2 divisors, whose sum is σ = 97455914. Its totient is φ = 97455912.

The previous prime is 97455889. The next prime is 97455947. The reversal of 97455913 is 31955479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74874409 + 22581504 = 8653^2 + 4752^2 .

It is a cyclic number.

It is not a de Polignac number, because 97455913 - 2²¹ = 95358761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97455913.

It is not a weakly prime, because it can be changed into another prime (97455973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48727956 + 48727957.

It is an arithmetic number, because the mean of its divisors is an integer number (48727957).

Almost surely, 2^97455913 is an apocalyptic number.

It is an amenable number.

97455913 is a deficient number, since it is larger than the sum of its proper divisors (1).

97455913 is an equidigital number, since it uses as much as digits as its factorization.

97455913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 43.

The square root of 97455913 is about 9871.9761446227. The cubic root of 97455913 is about 460.1888213476.

The spelling of 97455913 in words is "ninety-seven million, four hundred fifty-five thousand, nine hundred thirteen".