97340539 has 2 divisors, whose sum is σ = 97340540. Its totient is φ = 97340538.

The previous prime is 97340497. The next prime is 97340569. The reversal of 97340539 is 93504379.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97340539 - 2¹¹ = 97338491 is a prime.

It is equal to p_5616985 and since 97340539 and 5616985 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (97340569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48670269 + 48670270.

It is an arithmetic number, because the mean of its divisors is an integer number (48670270).

Almost surely, 2^97340539 is an apocalyptic number.

97340539 is a deficient number, since it is larger than the sum of its proper divisors (1).

97340539 is an equidigital number, since it uses as much as digits as its factorization.

97340539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 97340539 is about 9866.1309032467. The cubic root of 97340539 is about 460.0071501724.

It can be divided in two parts, 97340 and 539, that added together give a palindrome (97879).

The spelling of 97340539 in words is "ninety-seven million, three hundred forty thousand, five hundred thirty-nine".