2556379 has 16 divisors (see below), whose sum is σ = 3096000. Its totient is φ = 2107392.

The previous prime is 2556373. The next prime is 2556397. The reversal of 2556379 is 9736552.

2556379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2556379 - 2⁹ = 2555867 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁷ + 5⁹ + 6² + 3³ + 7² + 9³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2556373) 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 in 15 ways as a sum of consecutive naturals, for example, 9819 + ... + 10075.

It is an arithmetic number, because the mean of its divisors is an integer number (193500).

2^2556379 is an apocalyptic number.

2556379 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2556379 is a deficient number, since it is larger than the sum of its proper divisors (539621).

2556379 is an equidigital number, since it uses as much as digits as its factorization.

2556379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 293 counting only the distinct ones).

The product of its digits is 56700, while the sum is 37.

The square root of 2556379 is about 1598.8680370812. The cubic root of 2556379 is about 136.7335471451.

The spelling of 2556379 in words is "two million, five hundred fifty-six thousand, three hundred seventy-nine".