2050831 has 2 divisors, whose sum is σ = 2050832. Its totient is φ = 2050830.

The previous prime is 2050823. The next prime is 2050843. The reversal of 2050831 is 1380502.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2050831 - 2³ = 2050823 is a prime.

It is a super-2 number, since 2×2050831² = 8411815581122, which contains 22 as substring.

2050831 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2050799 and 2050808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2050031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025415 + 1025416.

It is an arithmetic number, because the mean of its divisors is an integer number (1025416).

2^2050831 is an apocalyptic number.

2050831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2050831 is an equidigital number, since it uses as much as digits as its factorization.

2050831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2050831 is about 1432.0722747124. The cubic root of 2050831 is about 127.0505719605.

The spelling of 2050831 in words is "two million, fifty thousand, eight hundred thirty-one".