680257033 has 4 divisors (see below), whose sum is σ = 696077008. Its totient is φ = 664437060.

The previous prime is 680257027. The next prime is 680257043. The reversal of 680257033 is 330752086.

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 680257033 - 2¹⁷ = 680125961 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 680257033.

It is not an unprimeable number, because it can be changed into a prime (680257043) 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, 7909923 + ... + 7910008.

It is an arithmetic number, because the mean of its divisors is an integer number (174019252).

Almost surely, 2^680257033 is an apocalyptic number.

It is an amenable number.

680257033 is a deficient number, since it is larger than the sum of its proper divisors (15819975).

680257033 is a wasteful number, since it uses less digits than its factorization.

680257033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15819974.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 680257033 is about 26081.7375379786. The cubic root of 680257033 is about 879.4767175648.

The spelling of 680257033 in words is "six hundred eighty million, two hundred fifty-seven thousand, thirty-three".