5042852509 has 4 divisors (see below), whose sum is σ = 5042995804. Its totient is φ = 5042709216.

The previous prime is 5042852473. The next prime is 5042852519. The reversal of 5042852509 is 9052582405.

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 3068827609 + 1974024900 = 55397^2 + 44430^2 .

It is a cyclic number.

It is not a de Polignac number, because 5042852509 - 2¹⁵ = 5042819741 is a prime.

It is a super-2 number, since 2×5042852509² = 50860722855055190162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5042852519) 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, 21559 + ... + 102715.

It is an arithmetic number, because the mean of its divisors is an integer number (1260748951).

Almost surely, 2^5042852509 is an apocalyptic number.

It is an amenable number.

5042852509 is a deficient number, since it is larger than the sum of its proper divisors (143295).

5042852509 is an equidigital number, since it uses as much as digits as its factorization.

5042852509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143294.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 5042852509 is about 71013.0446396998. The cubic root of 5042852509 is about 1714.8471740900.

The spelling of 5042852509 in words is "five billion, forty-two million, eight hundred fifty-two thousand, five hundred nine".