252147333 has 4 divisors (see below), whose sum is σ = 336196448. Its totient is φ = 168098220.

The previous prime is 252147317. The next prime is 252147353. The reversal of 252147333 is 333741252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 252147333 - 2⁴ = 252147317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252147333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252147353) 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, 42024553 + ... + 42024558.

It is an arithmetic number, because the mean of its divisors is an integer number (84049112).

Almost surely, 2^252147333 is an apocalyptic number.

It is an amenable number.

252147333 is a deficient number, since it is larger than the sum of its proper divisors (84049115).

252147333 is an equidigital number, since it uses as much as digits as its factorization.

252147333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84049114.

The product of its digits is 15120, while the sum is 30.

The square root of 252147333 is about 15879.1477416138. The cubic root of 252147333 is about 631.7590321077.

Adding to 252147333 its reverse (333741252), we get a palindrome (585888585).

The spelling of 252147333 in words is "two hundred fifty-two million, one hundred forty-seven thousand, three hundred thirty-three".