252271538 has 8 divisors (see below), whose sum is σ = 382154220. Its totient is φ = 124886800.

The previous prime is 252271519. The next prime is 252271543. The reversal of 252271538 is 835172252.

It can be written as a sum of positive squares in 2 ways, for example, as 252269689 + 1849 = 15883^2 + 43^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 252271498 and 252271507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624233 + ... + 624636.

Almost surely, 2^252271538 is an apocalyptic number.

252271538 is a deficient number, since it is larger than the sum of its proper divisors (129882682).

252271538 is a wasteful number, since it uses less digits than its factorization.

252271538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248972.

The product of its digits is 33600, while the sum is 35.

The square root of 252271538 is about 15883.0582067812. The cubic root of 252271538 is about 631.8627475943.

The spelling of 252271538 in words is "two hundred fifty-two million, two hundred seventy-one thousand, five hundred thirty-eight".