5203405913 has 4 divisors (see below), whose sum is σ = 5203551540. Its totient is φ = 5203260288.

The previous prime is 5203405891. The next prime is 5203405927. The reversal of 5203405913 is 3195043025.

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 2786995264 + 2416410649 = 52792^2 + 49157^2 .

It is a cyclic number.

It is not a de Polignac number, because 5203405913 - 2¹² = 5203401817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5203405913.

It is not an unprimeable number, because it can be changed into a prime (5203405513) 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, 21533 + ... + 104261.

It is an arithmetic number, because the mean of its divisors is an integer number (1300887885).

Almost surely, 2^5203405913 is an apocalyptic number.

It is an amenable number.

5203405913 is a deficient number, since it is larger than the sum of its proper divisors (145627).

5203405913 is an equidigital number, since it uses as much as digits as its factorization.

5203405913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145626.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 5203405913 is about 72134.6374011820. The cubic root of 5203405913 is about 1732.8563762106.

Adding to 5203405913 its reverse (3195043025), we get a palindrome (8398448938).

The spelling of 5203405913 in words is "five billion, two hundred three million, four hundred five thousand, nine hundred thirteen".