2956631 has 2 divisors, whose sum is σ = 2956632. Its totient is φ = 2956630.

The previous prime is 2956621. The next prime is 2956649. The reversal of 2956631 is 1366592.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2956631 - 2¹⁰ = 2955607 is a prime.

It is a super-2 number, since 2×2956631² = 17483333740322, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2956621) 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, 1478315 + 1478316.

It is an arithmetic number, because the mean of its divisors is an integer number (1478316).

2^2956631 is an apocalyptic number.

2956631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2956631 is an equidigital number, since it uses as much as digits as its factorization.

2956631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 2956631 is about 1719.4856789168. The cubic root of 2956631 is about 143.5265928612.

The spelling of 2956631 in words is "two million, nine hundred fifty-six thousand, six hundred thirty-one".