97010509 has 2 divisors, whose sum is σ = 97010510. Its totient is φ = 97010508.

The previous prime is 97010489. The next prime is 97010519. The reversal of 97010509 is 90501079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54434884 + 42575625 = 7378^2 + 6525^2 .

It is a cyclic number.

It is not a de Polignac number, because 97010509 - 2²⁵ = 63456077 is a prime.

It is a super-2 number, since 2×97010509² = 18822077712878162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97010519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48505254 + 48505255.

It is an arithmetic number, because the mean of its divisors is an integer number (48505255).

Almost surely, 2^97010509 is an apocalyptic number.

It is an amenable number.

97010509 is a deficient number, since it is larger than the sum of its proper divisors (1).

97010509 is an equidigital number, since it uses as much as digits as its factorization.

97010509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 97010509 is about 9849.3913009891. The cubic root of 97010509 is about 459.4866816496.

The spelling of 97010509 in words is "ninety-seven million, ten thousand, five hundred nine".