97456081 has 2 divisors, whose sum is σ = 97456082. Its totient is φ = 97456080.

The previous prime is 97456067. The next prime is 97456109. The reversal of 97456081 is 18065479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52780225 + 44675856 = 7265^2 + 6684^2 .

It is a cyclic number.

It is not a de Polignac number, because 97456081 - 2⁵ = 97456049 is a prime.

It is a super-2 number, since 2×97456081² = 18995375447757122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97456481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48728040 + 48728041.

It is an arithmetic number, because the mean of its divisors is an integer number (48728041).

Almost surely, 2^97456081 is an apocalyptic number.

It is an amenable number.

97456081 is a deficient number, since it is larger than the sum of its proper divisors (1).

97456081 is an equidigital number, since it uses as much as digits as its factorization.

97456081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 97456081 is about 9871.9846535537. The cubic root of 97456081 is about 460.1890857806.

The spelling of 97456081 in words is "ninety-seven million, four hundred fifty-six thousand, eighty-one".