2072831 has 2 divisors, whose sum is σ = 2072832. Its totient is φ = 2072830.

The previous prime is 2072821. The next prime is 2072839. The reversal of 2072831 is 1382702.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2072831 is a prime.

It is a super-2 number, since 2×2072831² = 8593256709122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2072797 and 2072806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2072839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036415 + 1036416.

It is an arithmetic number, because the mean of its divisors is an integer number (1036416).

2^2072831 is an apocalyptic number.

2072831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2072831 is an equidigital number, since it uses as much as digits as its factorization.

2072831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2072831 is about 1439.7329613508. The cubic root of 2072831 is about 127.5032627641.

The spelling of 2072831 in words is "two million, seventy-two thousand, eight hundred thirty-one".