5298138250 has 16 divisors (see below), whose sum is σ = 9918115272. Its totient is φ = 2119255200.

The previous prime is 5298138233. The next prime is 5298138259. The reversal of 5298138250 is 528318925.

It can be written as a sum of positive squares in 4 ways, for example, as 2520742849 + 2777395401 = 50207^2 + 52701^2 .

It is a super-2 number, since 2×5298138250² = 56140537832226125000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5298138197 and 5298138206.

It is not an unprimeable number, because it can be changed into a prime (5298138259) 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 7 ways as a sum of consecutive naturals, for example, 10596027 + ... + 10596526.

Almost surely, 2^5298138250 is an apocalyptic number.

5298138250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5298138250 is a deficient number, since it is larger than the sum of its proper divisors (4619977022).

5298138250 is a wasteful number, since it uses less digits than its factorization.

5298138250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21192570 (or 21192560 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 5298138250 is about 72788.3112182169. The cubic root of 5298138250 is about 1743.3092272887.

The spelling of 5298138250 in words is "five billion, two hundred ninety-eight million, one hundred thirty-eight thousand, two hundred fifty".