48731 has 2 divisors, whose sum is σ = 48732. Its totient is φ = 48730.

The previous prime is 48679. The next prime is 48733. The reversal of 48731 is 13784.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48731 is a prime.

It is a super-2 number, since 2×48731² = 4749420722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 48733, 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 = 48697 and 48706.

It is not a weakly prime, because it can be changed into another prime (48733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24365 + 24366.

It is an arithmetic number, because the mean of its divisors is an integer number (24366).

2⁴⁸⁷³¹ is an apocalyptic number.

48731 is a deficient number, since it is larger than the sum of its proper divisors (1).

48731 is an equidigital number, since it uses as much as digits as its factorization.

48731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 23.

The square root of 48731 is about 220.7509909378. The cubic root of 48731 is about 36.5259713826.

The spelling of 48731 in words is "forty-eight thousand, seven hundred thirty-one".