2256379 has 2 divisors, whose sum is σ = 2256380. Its totient is φ = 2256378.

The previous prime is 2256377. The next prime is 2256389. The reversal of 2256379 is 9736522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2256379 - 2¹ = 2256377 is a prime.

Together with 2256377, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2256377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128189 + 1128190.

It is an arithmetic number, because the mean of its divisors is an integer number (1128190).

2^2256379 is an apocalyptic number.

2256379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256379 is an equidigital number, since it uses as much as digits as its factorization.

2256379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 2256379 is about 1502.1248283681. The cubic root of 2256379 is about 131.1607877500.

The spelling of 2256379 in words is "two million, two hundred fifty-six thousand, three hundred seventy-nine".