5257717009 has 2 divisors, whose sum is σ = 5257717010. Its totient is φ = 5257717008.

The previous prime is 5257716991. The next prime is 5257717021. The reversal of 5257717009 is 9007177525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3474513025 + 1783203984 = 58945^2 + 42228^2 .

It is a cyclic number.

It is not a de Polignac number, because 5257717009 - 2¹³ = 5257708817 is a prime.

It is not a weakly prime, because it can be changed into another prime (5257715009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628858504 + 2628858505.

It is an arithmetic number, because the mean of its divisors is an integer number (2628858505).

Almost surely, 2^5257717009 is an apocalyptic number.

It is an amenable number.

5257717009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5257717009 is an equidigital number, since it uses as much as digits as its factorization.

5257717009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 154350, while the sum is 43.

The square root of 5257717009 is about 72510.1165976169. The cubic root of 5257717009 is about 1738.8644778858.

The spelling of 5257717009 in words is "five billion, two hundred fifty-seven million, seven hundred seventeen thousand, nine".