683248081 has 4 divisors (see below), whose sum is σ = 683300772. Its totient is φ = 683195392.

The previous prime is 683248073. The next prime is 683248109. The reversal of 683248081 is 180842386.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 668739600 + 14508481 = 25860^2 + 3809^2 .

It is a cyclic number.

It is not a de Polignac number, because 683248081 - 2³ = 683248073 is a prime.

It is a super-2 number, since 2×683248081² = 933655880380365122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (683248001) 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, 8241 + ... + 37873.

It is an arithmetic number, because the mean of its divisors is an integer number (170825193).

Almost surely, 2^683248081 is an apocalyptic number.

It is an amenable number.

683248081 is a deficient number, since it is larger than the sum of its proper divisors (52691).

683248081 is a wasteful number, since it uses less digits than its factorization.

683248081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52690.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 683248081 is about 26139.0145376600. The cubic root of 683248081 is about 880.7638344803.

The spelling of 683248081 in words is "six hundred eighty-three million, two hundred forty-eight thousand, eighty-one".