5247818501 has 4 divisors (see below), whose sum is σ = 5252959404. Its totient is φ = 5242677600.

The previous prime is 5247818491. The next prime is 5247818533. The reversal of 5247818501 is 1058187425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4079887876 + 1167930625 = 63874^2 + 34175^2 .

It is a cyclic number.

It is not a de Polignac number, because 5247818501 - 2¹⁸ = 5247556357 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 (5247818551) 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, 2568920 + ... + 2570961.

It is an arithmetic number, because the mean of its divisors is an integer number (1313239851).

Almost surely, 2^5247818501 is an apocalyptic number.

It is an amenable number.

5247818501 is a deficient number, since it is larger than the sum of its proper divisors (5140903).

5247818501 is a wasteful number, since it uses less digits than its factorization.

5247818501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140902.

The product of its (nonzero) digits is 89600, while the sum is 41.

The square root of 5247818501 is about 72441.8283935462. The cubic root of 5247818501 is about 1737.7725605642.

The spelling of 5247818501 in words is "five billion, two hundred forty-seven million, eight hundred eighteen thousand, five hundred one".