5250739513 has 4 divisors (see below), whose sum is σ = 5250916900. Its totient is φ = 5250562128.

The previous prime is 5250739477. The next prime is 5250739583. The reversal of 5250739513 is 3159370525.

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 1607047744 + 3643691769 = 40088^2 + 60363^2 .

It is a cyclic number.

It is not a de Polignac number, because 5250739513 - 2²¹ = 5248642361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5250739583) 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, 32370 + ... + 107467.

It is an arithmetic number, because the mean of its divisors is an integer number (1312729225).

Almost surely, 2^5250739513 is an apocalyptic number.

It is an amenable number.

5250739513 is a deficient number, since it is larger than the sum of its proper divisors (177387).

5250739513 is a wasteful number, since it uses less digits than its factorization.

5250739513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177386.

The product of its (nonzero) digits is 141750, while the sum is 40.

The square root of 5250739513 is about 72461.9866757737. The cubic root of 5250739513 is about 1738.0949239101.

The spelling of 5250739513 in words is "five billion, two hundred fifty million, seven hundred thirty-nine thousand, five hundred thirteen".