675931 has 2 divisors, whose sum is σ = 675932. Its totient is φ = 675930.

The previous prime is 675929. The next prime is 675959. The reversal of 675931 is 139576.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 675931 - 2¹ = 675929 is a prime.

It is a super-2 number, since 2×675931² = 913765433522, which contains 22 as substring.

Together with 675929, it forms a pair of twin primes.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 675893 and 675902.

It is not a weakly prime, because it can be changed into another prime (675131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337965 + 337966.

It is an arithmetic number, because the mean of its divisors is an integer number (337966).

2⁶⁷⁵⁹³¹ is an apocalyptic number.

675931 is a deficient number, since it is larger than the sum of its proper divisors (1).

675931 is an equidigital number, since it uses as much as digits as its factorization.

675931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 31.

The square root of 675931 is about 822.1502295809. The cubic root of 675931 is about 87.7608434042.

The spelling of 675931 in words is "six hundred seventy-five thousand, nine hundred thirty-one".