2456191 has 2 divisors, whose sum is σ = 2456192. Its totient is φ = 2456190.

The previous prime is 2456141. The next prime is 2456197. The reversal of 2456191 is 1916542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2456191 - 2⁷ = 2456063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2456197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228095 + 1228096.

It is an arithmetic number, because the mean of its divisors is an integer number (1228096).

2^2456191 is an apocalyptic number.

2456191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2456191 is an equidigital number, since it uses as much as digits as its factorization.

2456191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 2456191 is about 1567.2239788875. The cubic root of 2456191 is about 134.9234316607.

The spelling of 2456191 in words is "two million, four hundred fifty-six thousand, one hundred ninety-one".