5135333261 has 4 divisors (see below), whose sum is σ = 5140516224. Its totient is φ = 5130150300.

The previous prime is 5135333233. The next prime is 5135333297. The reversal of 5135333261 is 1623335315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5135333261 - 2²⁶ = 5068224397 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 (5135353261) 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, 2589995 + ... + 2591976.

It is an arithmetic number, because the mean of its divisors is an integer number (1285129056).

Almost surely, 2^5135333261 is an apocalyptic number.

It is an amenable number.

5135333261 is a deficient number, since it is larger than the sum of its proper divisors (5182963).

5135333261 is an equidigital number, since it uses as much as digits as its factorization.

5135333261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5182962.

The product of its digits is 24300, while the sum is 32.

The square root of 5135333261 is about 71661.2395999399. The cubic root of 5135333261 is about 1725.2665846903.

Adding to 5135333261 its reverse (1623335315), we get a palindrome (6758668576).

The spelling of 5135333261 in words is "five billion, one hundred thirty-five million, three hundred thirty-three thousand, two hundred sixty-one".