5278506250 has 36 divisors (see below), whose sum is σ = 9907346358. Its totient is φ = 2109105000.

The previous prime is 5278506217. The next prime is 5278506257. The reversal of 5278506250 is 526058725.

It can be written as a sum of positive squares in 3 ways, for example, as 7601049 + 5270905201 = 2757^2 + 72601^2 .

It is not an unprimeable number, because it can be changed into a prime (5278506257) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5743291 + ... + 5744209.

Almost surely, 2^5278506250 is an apocalyptic number.

5278506250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5278506250 is a deficient number, since it is larger than the sum of its proper divisors (4628840108).

5278506250 is an frugal number, since it uses more digits than its factorization.

5278506250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 5278506250 is about 72653.3292423685. The cubic root of 5278506250 is about 1741.1533123256.

Multiplying 5278506250 by its sum of digits (40), we get a square (211140250000 = 459500²).

The spelling of 5278506250 in words is "five billion, two hundred seventy-eight million, five hundred six thousand, two hundred fifty".