97032409 has 4 divisors (see below), whose sum is σ = 97052416. Its totient is φ = 97012404.

The previous prime is 97032407. The next prime is 97032431. The reversal of 97032409 is 90423079.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90423079 = 37 ⋅2443867.

It is a cyclic number.

It is not a de Polignac number, because 97032409 - 2¹ = 97032407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97032407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2392 + ... + 14134.

It is an arithmetic number, because the mean of its divisors is an integer number (24263104).

Almost surely, 2^97032409 is an apocalyptic number.

It is an amenable number.

97032409 is a deficient number, since it is larger than the sum of its proper divisors (20007).

97032409 is a wasteful number, since it uses less digits than its factorization.

97032409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20006.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 97032409 is about 9850.5029820817. The cubic root of 97032409 is about 459.5212552276.

The spelling of 97032409 in words is "ninety-seven million, thirty-two thousand, four hundred nine".