274831 has 2 divisors, whose sum is σ = 274832. Its totient is φ = 274830.

The previous prime is 274829. The next prime is 274837. The reversal of 274831 is 138472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 274831 - 2¹ = 274829 is a prime.

It is a super-2 number, since 2×274831² = 151064157122, which contains 22 as substring.

Together with 274829, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 274796 and 274805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137415 + 137416.

It is an arithmetic number, because the mean of its divisors is an integer number (137416).

2²⁷⁴⁸³¹ is an apocalyptic number.

274831 is a deficient number, since it is larger than the sum of its proper divisors (1).

274831 is an equidigital number, since it uses as much as digits as its factorization.

274831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 274831 is about 524.2432641437. The cubic root of 274831 is about 65.0162484034.

The spelling of 274831 in words is "two hundred seventy-four thousand, eight hundred thirty-one".