5262751261 has 4 divisors (see below), whose sum is σ = 5262900124. Its totient is φ = 5262602400.

The previous prime is 5262751231. The next prime is 5262751343. The reversal of 5262751261 is 1621572625.

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 4056925636 + 1205825625 = 63694^2 + 34725^2 .

It is a cyclic number.

It is not a de Polignac number, because 5262751261 - 2¹⁷ = 5262620189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5262751261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5262751211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12241 + ... + 103321.

It is an arithmetic number, because the mean of its divisors is an integer number (1315725031).

Almost surely, 2^5262751261 is an apocalyptic number.

It is an amenable number.

5262751261 is a deficient number, since it is larger than the sum of its proper divisors (148863).

5262751261 is an equidigital number, since it uses as much as digits as its factorization.

5262751261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148862.

The product of its digits is 50400, while the sum is 37.

The square root of 5262751261 is about 72544.8224272415. The cubic root of 5262751261 is about 1739.4192870996.

The spelling of 5262751261 in words is "five billion, two hundred sixty-two million, seven hundred fifty-one thousand, two hundred sixty-one".