5236320809 has 4 divisors (see below), whose sum is σ = 5236627716. Its totient is φ = 5236013904.

The previous prime is 5236320799. The next prime is 5236320811. The reversal of 5236320809 is 9080236325.

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 3029952025 + 2206368784 = 55045^2 + 46972^2 .

It is a cyclic number.

It is not a de Polignac number, because 5236320809 - 2¹² = 5236316713 is a prime.

It is a super-2 number, since 2×5236320809² = 54838111229532828962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5236320839) 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, 126254 + ... + 162519.

It is an arithmetic number, because the mean of its divisors is an integer number (1309156929).

Almost surely, 2^5236320809 is an apocalyptic number.

It is an amenable number.

5236320809 is a deficient number, since it is larger than the sum of its proper divisors (306907).

5236320809 is a wasteful number, since it uses less digits than its factorization.

5236320809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306906.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 5236320809 is about 72362.4267766083. The cubic root of 5236320809 is about 1736.5025100705.

The spelling of 5236320809 in words is "five billion, two hundred thirty-six million, three hundred twenty thousand, eight hundred nine".