683320529 has 4 divisors (see below), whose sum is σ = 683377776. Its totient is φ = 683263284.

The previous prime is 683320493. The next prime is 683320531. The reversal of 683320529 is 925023386.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 683320529 - 2⁸ = 683320273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 683320492 and 683320501.

It is not an unprimeable number, because it can be changed into a prime (683320549) 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, 3179 + ... + 37104.

It is an arithmetic number, because the mean of its divisors is an integer number (170844444).

Almost surely, 2^683320529 is an apocalyptic number.

It is an amenable number.

683320529 is a deficient number, since it is larger than the sum of its proper divisors (57247).

683320529 is a wasteful number, since it uses less digits than its factorization.

683320529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57246.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 683320529 is about 26140.4003221068. The cubic root of 683320529 is about 880.7949638874.

The spelling of 683320529 in words is "six hundred eighty-three million, three hundred twenty thousand, five hundred twenty-nine".