5255443013 has 4 divisors (see below), whose sum is σ = 5261783340. Its totient is φ = 5249102688.

The previous prime is 5255443009. The next prime is 5255443069. The reversal of 5255443013 is 3103445525.

It is a happy number.

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 2735603809 + 2519839204 = 52303^2 + 50198^2 .

It is a cyclic number.

It is not a de Polignac number, because 5255443013 - 2² = 5255443009 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 (5255443513) 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, 3168920 + ... + 3170577.

It is an arithmetic number, because the mean of its divisors is an integer number (1315445835).

Almost surely, 2^5255443013 is an apocalyptic number.

It is an amenable number.

5255443013 is a deficient number, since it is larger than the sum of its proper divisors (6340327).

5255443013 is an equidigital number, since it uses as much as digits as its factorization.

5255443013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6340326.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 5255443013 is about 72494.4343587837. The cubic root of 5255443013 is about 1738.6137517585.

Adding to 5255443013 its reverse (3103445525), we get a palindrome (8358888538).

The spelling of 5255443013 in words is "five billion, two hundred fifty-five million, four hundred forty-three thousand, thirteen".