97383509 has 4 divisors (see below), whose sum is σ = 97497216. Its totient is φ = 97269804.

The previous prime is 97383499. The next prime is 97383527. The reversal of 97383509 is 90538379.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97383509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97383509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97383109) 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, 55559 + ... + 57284.

It is an arithmetic number, because the mean of its divisors is an integer number (24374304).

Almost surely, 2^97383509 is an apocalyptic number.

It is an amenable number.

97383509 is a deficient number, since it is larger than the sum of its proper divisors (113707).

97383509 is a wasteful number, since it uses less digits than its factorization.

97383509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113706.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 97383509 is about 9868.3083150052. The cubic root of 97383509 is about 460.0748287216.

The spelling of 97383509 in words is "ninety-seven million, three hundred eighty-three thousand, five hundred nine".