548831 has 2 divisors, whose sum is σ = 548832. Its totient is φ = 548830.

The previous prime is 548827. The next prime is 548833. The reversal of 548831 is 138845.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 548831 - 2² = 548827 is a prime.

It is a super-2 number, since 2×548831² = 602430933122, which contains 22 as substring.

Together with 548833, 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 = 548794 and 548803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274415 + 274416.

It is an arithmetic number, because the mean of its divisors is an integer number (274416).

2⁵⁴⁸⁸³¹ is an apocalyptic number.

548831 is a deficient number, since it is larger than the sum of its proper divisors (1).

548831 is an equidigital number, since it uses as much as digits as its factorization.

548831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 548831 is about 740.8312898360. The cubic root of 548831 is about 81.8740382149.

The spelling of 548831 in words is "five hundred forty-eight thousand, eight hundred thirty-one".