2056374517 has 2 divisors, whose sum is σ = 2056374518. Its totient is φ = 2056374516.

The previous prime is 2056374497. The next prime is 2056374527. The reversal of 2056374517 is 7154736502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1844788401 + 211586116 = 42951^2 + 14546^2 .

It is a cyclic number.

It is not a de Polignac number, because 2056374517 - 2¹⁹ = 2055850229 is a prime.

It is a super-3 number, since 3×2056374517³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2056374517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056374527) 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, 1028187258 + 1028187259.

It is an arithmetic number, because the mean of its divisors is an integer number (1028187259).

Almost surely, 2^2056374517 is an apocalyptic number.

It is an amenable number.

2056374517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056374517 is an equidigital number, since it uses as much as digits as its factorization.

2056374517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 2056374517 is about 45347.2658161438. The cubic root of 2056374517 is about 1271.6494403090.

The spelling of 2056374517 in words is "two billion, fifty-six million, three hundred seventy-four thousand, five hundred seventeen".