252211528 has 16 divisors (see below), whose sum is σ = 474983280. Its totient is φ = 125549328.

The previous prime is 252211511. The next prime is 252211559. The reversal of 252211528 is 825112252.

252211528 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×252211528² = 127221309712189568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252211496 and 252211505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67626 + ... + 71257.

It is an arithmetic number, because the mean of its divisors is an integer number (29686455).

Almost surely, 2^252211528 is an apocalyptic number.

It is an amenable number.

252211528 is a deficient number, since it is larger than the sum of its proper divisors (222771752).

252211528 is a wasteful number, since it uses less digits than its factorization.

252211528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139116 (or 139112 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

The square root of 252211528 is about 15881.1689746064. The cubic root of 252211528 is about 631.8126414127.

The spelling of 252211528 in words is "two hundred fifty-two million, two hundred eleven thousand, five hundred twenty-eight".