5424872261 has 4 divisors (see below), whose sum is σ = 5743982412. Its totient is φ = 5105762112.

The previous prime is 5424872231. The next prime is 5424872273. The reversal of 5424872261 is 1622784245.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1622784245 = 5 ⋅324556849.

It can be written as a sum of positive squares in 2 ways, for example, as 1968608161 + 3456264100 = 44369^2 + 58790^2 .

It is a cyclic number.

It is not a de Polignac number, because 5424872261 - 2¹⁸ = 5424610117 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 (5424872231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159555050 + ... + 159555083.

It is an arithmetic number, because the mean of its divisors is an integer number (1435995603).

Almost surely, 2^5424872261 is an apocalyptic number.

It is an amenable number.

5424872261 is a deficient number, since it is larger than the sum of its proper divisors (319110151).

5424872261 is a wasteful number, since it uses less digits than its factorization.

5424872261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319110150.

The product of its digits is 215040, while the sum is 41.

The square root of 5424872261 is about 73653.7321593414. The cubic root of 5424872261 is about 1757.1001080293.

The spelling of 5424872261 in words is "five billion, four hundred twenty-four million, eight hundred seventy-two thousand, two hundred sixty-one".