2052656257 has 2 divisors, whose sum is σ = 2052656258. Its totient is φ = 2052656256.

The previous prime is 2052656201. The next prime is 2052656303. The reversal of 2052656257 is 7526562502.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1421591616 + 631064641 = 37704^2 + 25121^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052656257 - 2⁷ = 2052656129 is a prime.

It is not a weakly prime, because it can be changed into another prime (2052656357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026328128 + 1026328129.

It is an arithmetic number, because the mean of its divisors is an integer number (1026328129).

Almost surely, 2^2052656257 is an apocalyptic number.

It is an amenable number.

2052656257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2052656257 is an equidigital number, since it uses as much as digits as its factorization.

2052656257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 2052656257 is about 45306.2496461581. The cubic root of 2052656257 is about 1270.8825281319.

The spelling of 2052656257 in words is "two billion, fifty-two million, six hundred fifty-six thousand, two hundred fifty-seven".