2556141 has 8 divisors (see below), whose sum is σ = 3895104. Its totient is φ = 1460640.

The previous prime is 2556139. The next prime is 2556143. The reversal of 2556141 is 1416552.

It is an interprime number because it is at equal distance from previous prime (2556139) and next prime (2556143).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2556141 - 2¹ = 2556139 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60840 + ... + 60881.

It is an arithmetic number, because the mean of its divisors is an integer number (486888).

2^2556141 is an apocalyptic number.

2556141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2556141 is a deficient number, since it is larger than the sum of its proper divisors (1338963).

2556141 is a wasteful number, since it uses less digits than its factorization.

2556141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121731.

The product of its digits is 1200, while the sum is 24.

The square root of 2556141 is about 1598.7936076930. The cubic root of 2556141 is about 136.7293036958.

The spelling of 2556141 in words is "two million, five hundred fifty-six thousand, one hundred forty-one".