5255027749 has 4 divisors (see below), whose sum is σ = 5397055564. Its totient is φ = 5112999936.

The previous prime is 5255027731. The next prime is 5255027783. The reversal of 5255027749 is 9477205525.

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 4315176100 + 939851649 = 65690^2 + 30657^2 .

It is a cyclic number.

It is not a de Polignac number, because 5255027749 - 2⁹ = 5255027237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5255027699 and 5255027708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255027719) 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, 71013852 + ... + 71013925.

It is an arithmetic number, because the mean of its divisors is an integer number (1349263891).

Almost surely, 2^5255027749 is an apocalyptic number.

It is an amenable number.

5255027749 is a deficient number, since it is larger than the sum of its proper divisors (142027815).

5255027749 is a wasteful number, since it uses less digits than its factorization.

5255027749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142027814.

The product of its (nonzero) digits is 882000, while the sum is 46.

The square root of 5255027749 is about 72491.5701926783. The cubic root of 5255027749 is about 1738.5679577937.

The spelling of 5255027749 in words is "five billion, two hundred fifty-five million, twenty-seven thousand, seven hundred forty-nine".