5240643803 has 4 divisors (see below), whose sum is σ = 5245082448. Its totient is φ = 5236205160.

The previous prime is 5240643797. The next prime is 5240643833. The reversal of 5240643803 is 3083460425.

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

It is a cyclic number.

It is not a de Polignac number, because 5240643803 - 2⁴ = 5240643787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5240643833) 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, 2217551 + ... + 2219912.

It is an arithmetic number, because the mean of its divisors is an integer number (1311270612).

Almost surely, 2^5240643803 is an apocalyptic number.

5240643803 is a deficient number, since it is larger than the sum of its proper divisors (4438645).

5240643803 is a wasteful number, since it uses less digits than its factorization.

5240643803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438644.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 5240643803 is about 72392.2910467682. The cubic root of 5240643803 is about 1736.9802516827.

The spelling of 5240643803 in words is "five billion, two hundred forty million, six hundred forty-three thousand, eight hundred three".