5253131111 has 4 divisors (see below), whose sum is σ = 5255074392. Its totient is φ = 5251187832.

The previous prime is 5253131089. The next prime is 5253131123. The reversal of 5253131111 is 1111313525.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5253131111 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 (5253131131) 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, 967580 + ... + 972993.

It is an arithmetic number, because the mean of its divisors is an integer number (1313768598).

Almost surely, 2^5253131111 is an apocalyptic number.

5253131111 is a deficient number, since it is larger than the sum of its proper divisors (1943281).

5253131111 is a wasteful number, since it uses less digits than its factorization.

5253131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943280.

The product of its digits is 450, while the sum is 23.

The square root of 5253131111 is about 72478.4872289702. The cubic root of 5253131111 is about 1738.3587720391.

Adding to 5253131111 its reverse (1111313525), we get a palindrome (6364444636).

The spelling of 5253131111 in words is "five billion, two hundred fifty-three million, one hundred thirty-one thousand, one hundred eleven".