49331 has 2 divisors, whose sum is σ = 49332.
Its totient is φ = 49330.
The previous prime is 49307. The next prime is 49333. The reversal of 49331 is 13394.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-49331 is a prime.
It is a super-2 number, since 2×493312 = 4867095122, which contains 22 as substring.
It is a Sophie Germain prime.
Together with 49333, it forms a pair of twin primes.
It is a Chen prime.
It is a plaindrome in base 12.
It is not a weakly prime, because it can be changed into another prime (49333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24665 + 24666.
It is an arithmetic number, because the mean of its divisors is an integer number (24666).
249331 is an apocalyptic number.
49331 is a deficient number, since it is larger than the sum of its proper divisors (1).
49331 is an equidigital number, since it uses as much as digits as its factorization.
49331 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 324, while the sum is 20.
The square root of 49331 is about 222.1058306304.
The cubic root of 49331 is about 36.6752688724.
Subtracting from 49331 its reverse (13394), we obtain a cube (35937 = 333).
The spelling of 49331 in words is "forty-nine thousand, three hundred thirty-one".