674831 has 2 divisors, whose sum is σ = 674832. Its totient is φ = 674830.

The previous prime is 674827. The next prime is 674833. The reversal of 674831 is 138476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 674831 - 2² = 674827 is a prime.

It is a super-2 number, since 2×674831² = 910793757122, which contains 22 as substring.

Together with 674833, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 674794 and 674803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337415 + 337416.

It is an arithmetic number, because the mean of its divisors is an integer number (337416).

2⁶⁷⁴⁸³¹ is an apocalyptic number.

674831 is a deficient number, since it is larger than the sum of its proper divisors (1).

674831 is an equidigital number, since it uses as much as digits as its factorization.

674831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 674831 is about 821.4809796946. The cubic root of 674831 is about 87.7132106613.

The spelling of 674831 in words is "six hundred seventy-four thousand, eight hundred thirty-one".