252217443 has 8 divisors (see below), whose sum is σ = 336483856. Its totient is φ = 168048000.

The previous prime is 252217429. The next prime is 252217453. The reversal of 252217443 is 344712252.

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

It is not a de Polignac number, because 252217443 - 2⁹ = 252216931 is a prime.

It is a super-2 number, since 2×252217443² = 127227277106916498, which contains 22 as substring.

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 252217443.

It is not an unprimeable number, because it can be changed into a prime (252217453) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17938 + ... + 28743.

It is an arithmetic number, because the mean of its divisors is an integer number (42060482).

Almost surely, 2^252217443 is an apocalyptic number.

252217443 is a deficient number, since it is larger than the sum of its proper divisors (84266413).

252217443 is a wasteful number, since it uses less digits than its factorization.

252217443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48485.

The product of its digits is 13440, while the sum is 30.

The square root of 252217443 is about 15881.3552003599. The cubic root of 252217443 is about 631.8175805770.

Adding to 252217443 its reverse (344712252), we get a palindrome (596929695).

The spelling of 252217443 in words is "two hundred fifty-two million, two hundred seventeen thousand, four hundred forty-three".