676531 has 4 divisors (see below), whose sum is σ = 682632. Its totient is φ = 670432.

The previous prime is 676523. The next prime is 676573. The reversal of 676531 is 135676.

676531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 676531 - 2³ = 676523 is a prime.

It is a super-2 number, since 2×676531² = 915388387922, which contains 22 as substring.

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 676531.

It is not an unprimeable number, because it can be changed into a prime (676031) 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, 2881 + ... + 3106.

It is an arithmetic number, because the mean of its divisors is an integer number (170658).

2⁶⁷⁶⁵³¹ is an apocalyptic number.

676531 is a deficient number, since it is larger than the sum of its proper divisors (6101).

676531 is a wasteful number, since it uses less digits than its factorization.

676531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100.

The product of its digits is 3780, while the sum is 28.

The square root of 676531 is about 822.5150454551. The cubic root of 676531 is about 87.7868031217.

The spelling of 676531 in words is "six hundred seventy-six thousand, five hundred thirty-one".