83352509 has 4 divisors (see below), whose sum is σ = 84526560. Its totient is φ = 82178460.

The previous prime is 83352463. The next prime is 83352541. The reversal of 83352509 is 90525338.

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 not a de Polignac number, because 83352509 - 2¹² = 83348413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83352559) 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, 586919 + ... + 587060.

It is an arithmetic number, because the mean of its divisors is an integer number (21131640).

Almost surely, 2^83352509 is an apocalyptic number.

It is an amenable number.

83352509 is a deficient number, since it is larger than the sum of its proper divisors (1174051).

83352509 is a wasteful number, since it uses less digits than its factorization.

83352509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174050.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 83352509 is about 9129.7595258583. The cubic root of 83352509 is about 436.8237327743.

The spelling of 83352509 in words is "eighty-three million, three hundred fifty-two thousand, five hundred nine".