2630791 has 2 divisors, whose sum is σ = 2630792. Its totient is φ = 2630790.

The previous prime is 2630773. The next prime is 2630819. The reversal of 2630791 is 1970362.

It is an a-pointer prime, because the next prime (2630819) can be obtained adding 2630791 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2630791 is a prime.

It is a super-2 number, since 2×2630791² = 13842122571362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2630741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315395 + 1315396.

It is an arithmetic number, because the mean of its divisors is an integer number (1315396).

2^2630791 is an apocalyptic number.

2630791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2630791 is an equidigital number, since it uses as much as digits as its factorization.

2630791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2630791 is about 1621.9713314359. The cubic root of 2630791 is about 138.0475751391.

The spelling of 2630791 in words is "two million, six hundred thirty thousand, seven hundred ninety-one".