2495851 has 2 divisors, whose sum is σ = 2495852. Its totient is φ = 2495850.

The previous prime is 2495839. The next prime is 2495861. The reversal of 2495851 is 1585942.

2495851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2495851 - 2⁵ = 2495819 is a prime.

It is not a weakly prime, because it can be changed into another prime (2495861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247925 + 1247926.

It is an arithmetic number, because the mean of its divisors is an integer number (1247926).

2^2495851 is an apocalyptic number.

2495851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2495851 is an equidigital number, since it uses as much as digits as its factorization.

2495851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 34.

The square root of 2495851 is about 1579.8262562700. The cubic root of 2495851 is about 135.6457584654.

Subtracting from 2495851 its reverse (1585942), we obtain a palindrome (909909).

The spelling of 2495851 in words is "two million, four hundred ninety-five thousand, eight hundred fifty-one".