680190531 has 4 divisors (see below), whose sum is σ = 906920712. Its totient is φ = 453460352.

The previous prime is 680190529. The next prime is 680190559. The reversal of 680190531 is 135091086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 680190531 - 2¹ = 680190529 is a prime.

It is a super-2 number, since 2×680190531² = 925318316924123922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 680190492 and 680190501.

It is not an unprimeable number, because it can be changed into a prime (680190521) 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, 113365086 + ... + 113365091.

It is an arithmetic number, because the mean of its divisors is an integer number (226730178).

Almost surely, 2^680190531 is an apocalyptic number.

680190531 is a deficient number, since it is larger than the sum of its proper divisors (226730181).

680190531 is a wasteful number, since it uses less digits than its factorization.

680190531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226730180.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 680190531 is about 26080.4626300992. The cubic root of 680190531 is about 879.4480573850.

The spelling of 680190531 in words is "six hundred eighty million, one hundred ninety thousand, five hundred thirty-one".