2531983 has 2 divisors, whose sum is σ = 2531984. Its totient is φ = 2531982.

The previous prime is 2531981. The next prime is 2531989. The reversal of 2531983 is 3891352.

It is a happy number.

2531983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2531983 - 2¹ = 2531981 is a prime.

Together with 2531981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2531981) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265991 + 1265992.

It is an arithmetic number, because the mean of its divisors is an integer number (1265992).

2^2531983 is an apocalyptic number.

2531983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531983 is an equidigital number, since it uses as much as digits as its factorization.

2531983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 2531983 is about 1591.2206006711. The cubic root of 2531983 is about 136.2971982485.

The spelling of 2531983 in words is "two million, five hundred thirty-one thousand, nine hundred eighty-three".