97434539 has 2 divisors, whose sum is σ = 97434540. Its totient is φ = 97434538.

The previous prime is 97434523. The next prime is 97434553. The reversal of 97434539 is 93543479.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97434539 - 2⁴ = 97434523 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97434539.

It is not a weakly prime, because it can be changed into another prime (97434559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48717269 + 48717270.

It is an arithmetic number, because the mean of its divisors is an integer number (48717270).

Almost surely, 2^97434539 is an apocalyptic number.

97434539 is a deficient number, since it is larger than the sum of its proper divisors (1).

97434539 is an equidigital number, since it uses as much as digits as its factorization.

97434539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 97434539 is about 9870.8935259175. The cubic root of 97434539 is about 460.1551760655.

The spelling of 97434539 in words is "ninety-seven million, four hundred thirty-four thousand, five hundred thirty-nine".