2050731 has 16 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 1355400.

The previous prime is 2050721. The next prime is 2050733. The reversal of 2050731 is 1370502.

It is not a de Polignac number, because 2050731 - 2⁹ = 2050219 is a prime.

It is a super-2 number, since 2×2050731² = 8410995268722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2050733) 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 in 15 ways as a sum of consecutive naturals, for example, 3826 + ... + 4328.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

2^2050731 is an apocalyptic number.

2050731 is the 906-th heptagonal number.

2050731 is a deficient number, since it is larger than the sum of its proper divisors (1013589).

2050731 is a wasteful number, since it uses less digits than its factorization.

2050731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 2050731 is about 1432.0373598478. The cubic root of 2050731 is about 127.0485069011.

The spelling of 2050731 in words is "two million, fifty thousand, seven hundred thirty-one".