5258528917 has 4 divisors (see below), whose sum is σ = 5258676940. Its totient is φ = 5258380896.

The previous prime is 5258528909. The next prime is 5258528921. The reversal of 5258528917 is 7198258525.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4581800721 + 676728196 = 67689^2 + 26014^2 .

It is a 3-Lehmer number, since φ(5258528917) divides (5258528917-1)³.

It is a cyclic number.

It is not a de Polignac number, because 5258528917 - 2³ = 5258528909 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 (5258528987) 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 in 3 ways as a sum of consecutive naturals, for example, 14803 + ... + 103615.

It is an arithmetic number, because the mean of its divisors is an integer number (1314669235).

It is a Poulet number, since it divides 2^5258528916-1.

Almost surely, 2^5258528917 is an apocalyptic number.

5258528917 is the 59209-th pentagonal number.

It is an amenable number.

5258528917 is a deficient number, since it is larger than the sum of its proper divisors (148023).

5258528917 is an equidigital number, since it uses as much as digits as its factorization.

5258528917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148022.

The product of its digits is 2016000, while the sum is 52.

The square root of 5258528917 is about 72515.7149657921. The cubic root of 5258528917 is about 1738.9539796800.

The spelling of 5258528917 in words is "five billion, two hundred fifty-eight million, five hundred twenty-eight thousand, nine hundred seventeen".