2056504143 has 4 divisors (see below), whose sum is σ = 2742005528. Its totient is φ = 1371002760.

The previous prime is 2056504103. The next prime is 2056504169. The reversal of 2056504143 is 3414056502.

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

It is not a de Polignac number, because 2056504143 - 2²² = 2052309839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2056504143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056504103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342750688 + ... + 342750693.

It is an arithmetic number, because the mean of its divisors is an integer number (685501382).

Almost surely, 2^2056504143 is an apocalyptic number.

2056504143 is a deficient number, since it is larger than the sum of its proper divisors (685501385).

2056504143 is an equidigital number, since it uses as much as digits as its factorization.

2056504143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685501384.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2056504143 is about 45348.6950528899. The cubic root of 2056504143 is about 1271.6761597231.

The spelling of 2056504143 in words is "two billion, fifty-six million, five hundred four thousand, one hundred forty-three".