2053731 has 16 divisors (see below), whose sum is σ = 2862720. Its totient is φ = 1308480.

The previous prime is 2053721. The next prime is 2053757. The reversal of 2053731 is 1373502.

It is a happy number.

It is not a de Polignac number, because 2053731 - 2⁵ = 2053699 is a prime.

It is a super-2 number, since 2×2053731² = 8435622040722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2053698 and 2053707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053721) 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, 7116 + ... + 7398.

It is an arithmetic number, because the mean of its divisors is an integer number (178920).

2^2053731 is an apocalyptic number.

2053731 is a deficient number, since it is larger than the sum of its proper divisors (808989).

2053731 is a wasteful number, since it uses less digits than its factorization.

2053731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 2053731 is about 1433.0844357539. The cubic root of 2053731 is about 127.1104295055.

The spelling of 2053731 in words is "two million, fifty-three thousand, seven hundred thirty-one".