2510891 has 2 divisors, whose sum is σ = 2510892. Its totient is φ = 2510890.

The previous prime is 2510873. The next prime is 2510903. The reversal of 2510891 is 1980152.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2510891 - 2¹⁴ = 2494507 is a prime.

It is a super-2 number, since 2×2510891² = 12609147227762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2510891.

It is not a weakly prime, because it can be changed into another prime (2510801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1255445 + 1255446.

It is an arithmetic number, because the mean of its divisors is an integer number (1255446).

2^2510891 is an apocalyptic number.

2510891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2510891 is an equidigital number, since it uses as much as digits as its factorization.

2510891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 2510891 is about 1584.5791239317. The cubic root of 2510891 is about 135.9176801420.

The spelling of 2510891 in words is "two million, five hundred ten thousand, eight hundred ninety-one".