97365409 has 4 divisors (see below), whose sum is σ = 103092804. Its totient is φ = 91638016.

The previous prime is 97365407. The next prime is 97365419. The reversal of 97365409 is 90456379.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31674384 + 65691025 = 5628^2 + 8105^2 .

It is a cyclic number.

It is not a de Polignac number, because 97365409 - 2¹ = 97365407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97365403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2863672 + ... + 2863705.

It is an arithmetic number, because the mean of its divisors is an integer number (25773201).

Almost surely, 2^97365409 is an apocalyptic number.

It is an amenable number.

97365409 is a deficient number, since it is larger than the sum of its proper divisors (5727395).

97365409 is a wasteful number, since it uses less digits than its factorization.

97365409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5727394.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 97365409 is about 9867.3911952451. The cubic root of 97365409 is about 460.0463233123.

The spelling of 97365409 in words is "ninety-seven million, three hundred sixty-five thousand, four hundred nine".