97259609 has 2 divisors, whose sum is σ = 97259610. Its totient is φ = 97259608.

The previous prime is 97259599. The next prime is 97259621. The reversal of 97259609 is 90695279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71453209 + 25806400 = 8453^2 + 5080^2 .

It is a cyclic number.

It is not a de Polignac number, because 97259609 - 2⁸ = 97259353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97259639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48629804 + 48629805.

It is an arithmetic number, because the mean of its divisors is an integer number (48629805).

Almost surely, 2^97259609 is an apocalyptic number.

It is an amenable number.

97259609 is a deficient number, since it is larger than the sum of its proper divisors (1).

97259609 is an equidigital number, since it uses as much as digits as its factorization.

97259609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 97259609 is about 9862.0286452636. The cubic root of 97259609 is about 459.8796298156.

The spelling of 97259609 in words is "ninety-seven million, two hundred fifty-nine thousand, six hundred nine".