5256578029 has 2 divisors, whose sum is σ = 5256578030. Its totient is φ = 5256578028.

The previous prime is 5256578011. The next prime is 5256578053. The reversal of 5256578029 is 9208756525.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5256540004 + 38025 = 72502^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 5256578029 - 2¹⁹ = 5256053741 is a prime.

It is a super-2 number, since 2×5256578029² = 55263225149931049682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5256578069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628289014 + 2628289015.

It is an arithmetic number, because the mean of its divisors is an integer number (2628289015).

Almost surely, 2^5256578029 is an apocalyptic number.

It is an amenable number.

5256578029 is a deficient number, since it is larger than the sum of its proper divisors (1).

5256578029 is an equidigital number, since it uses as much as digits as its factorization.

5256578029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The square root of 5256578029 is about 72502.2622336710. The cubic root of 5256578029 is about 1738.7389053296.

The spelling of 5256578029 in words is "five billion, two hundred fifty-six million, five hundred seventy-eight thousand, twenty-nine".