5257526506 has 8 divisors (see below), whose sum is σ = 7886721024. Its totient is φ = 2628619500.

The previous prime is 5257526501. The next prime is 5257526509. The reversal of 5257526506 is 6056257525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5257526506² = 55283169922585136072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5257526501) 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, 18120 + ... + 104131.

It is an arithmetic number, because the mean of its divisors is an integer number (985840128).

Almost surely, 2^5257526506 is an apocalyptic number.

5257526506 is a deficient number, since it is larger than the sum of its proper divisors (2629194518).

5257526506 is a wasteful number, since it uses less digits than its factorization.

5257526506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143756.

The product of its (nonzero) digits is 630000, while the sum is 43.

The square root of 5257526506 is about 72508.8029552274. The cubic root of 5257526506 is about 1738.8434761913.

The spelling of 5257526506 in words is "five billion, two hundred fifty-seven million, five hundred twenty-six thousand, five hundred six".