5256224737 has 4 divisors (see below), whose sum is σ = 5256450756. Its totient is φ = 5255998720.

The previous prime is 5256224731. The next prime is 5256224777. The reversal of 5256224737 is 7374226525.

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 3748378176 + 1507846561 = 61224^2 + 38831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5256224737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5256224693 and 5256224702.

It is not an unprimeable number, because it can be changed into a prime (5256224731) 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, 73528 + ... + 126169.

It is an arithmetic number, because the mean of its divisors is an integer number (1314112689).

Almost surely, 2^5256224737 is an apocalyptic number.

It is an amenable number.

5256224737 is a deficient number, since it is larger than the sum of its proper divisors (226019).

5256224737 is a wasteful number, since it uses less digits than its factorization.

5256224737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226018.

The product of its digits is 705600, while the sum is 43.

The square root of 5256224737 is about 72499.8257722044. The cubic root of 5256224737 is about 1738.6999511973.

The spelling of 5256224737 in words is "five billion, two hundred fifty-six million, two hundred twenty-four thousand, seven hundred thirty-seven".