2556214 has 4 divisors (see below), whose sum is σ = 3834324. Its totient is φ = 1278106.

The previous prime is 2556193. The next prime is 2556217. The reversal of 2556214 is 4126552.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639052 + ... + 639055.

It is an arithmetic number, because the mean of its divisors is an integer number (958581).

2^2556214 is an apocalyptic number.

2556214 is a deficient number, since it is larger than the sum of its proper divisors (1278110).

2556214 is a wasteful number, since it uses less digits than its factorization.

2556214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278109.

The product of its digits is 2400, while the sum is 25.

The square root of 2556214 is about 1598.8164372435. The cubic root of 2556214 is about 136.7306052860.

The spelling of 2556214 in words is "two million, five hundred fifty-six thousand, two hundred fourteen".