2056474157 has 2 divisors, whose sum is σ = 2056474158. Its totient is φ = 2056474156.

The previous prime is 2056474061. The next prime is 2056474169. The reversal of 2056474157 is 7514746502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1444456036 + 612018121 = 38006^2 + 24739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2056474157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056476157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028237078 + 1028237079.

It is an arithmetic number, because the mean of its divisors is an integer number (1028237079).

Almost surely, 2^2056474157 is an apocalyptic number.

It is an amenable number.

2056474157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056474157 is an equidigital number, since it uses as much as digits as its factorization.

2056474157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 2056474157 is about 45348.3644357765. The cubic root of 2056474157 is about 1271.6699788998.

The spelling of 2056474157 in words is "two billion, fifty-six million, four hundred seventy-four thousand, one hundred fifty-seven".