5256020717 has 4 divisors (see below), whose sum is σ = 5256433536. Its totient is φ = 5255607900.

The previous prime is 5256020701. The next prime is 5256020797. The reversal of 5256020717 is 7170206525.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5256020717 - 2⁴ = 5256020701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256020797) 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, 186683 + ... + 212984.

It is an arithmetic number, because the mean of its divisors is an integer number (1314108384).

Almost surely, 2^5256020717 is an apocalyptic number.

It is an amenable number.

5256020717 is a deficient number, since it is larger than the sum of its proper divisors (412819).

5256020717 is a wasteful number, since it uses less digits than its factorization.

5256020717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412818.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 5256020717 is about 72498.4187206866. The cubic root of 5256020717 is about 1738.6774550667.

The spelling of 5256020717 in words is "five billion, two hundred fifty-six million, twenty thousand, seven hundred seventeen".