2053631 has 2 divisors, whose sum is σ = 2053632. Its totient is φ = 2053630.

The previous prime is 2053627. The next prime is 2053643. The reversal of 2053631 is 1363502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2053631 - 2² = 2053627 is a prime.

It is a super-2 number, since 2×2053631² = 8434800568322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2053621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026815 + 1026816.

It is an arithmetic number, because the mean of its divisors is an integer number (1026816).

2^2053631 is an apocalyptic number.

2053631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2053631 is an equidigital number, since it uses as much as digits as its factorization.

2053631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2053631 is about 1433.0495455496. The cubic root of 2053631 is about 127.1083663906.

The spelling of 2053631 in words is "two million, fifty-three thousand, six hundred thirty-one".