252217333 has 12 divisors (see below), whose sum is σ = 271970784. Its totient is φ = 233448600.

The previous prime is 252217331. The next prime is 252217349. The reversal of 252217333 is 333712252.

It is not a de Polignac number, because 252217333 - 2¹ = 252217331 is a prime.

It is a super-3 number, since 3×252217333³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252217331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16398 + ... + 27808.

It is an arithmetic number, because the mean of its divisors is an integer number (22664232).

Almost surely, 2^252217333 is an apocalyptic number.

252217333 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

252217333 is a deficient number, since it is larger than the sum of its proper divisors (19753451).

252217333 is a wasteful number, since it uses less digits than its factorization.

252217333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11496 (or 11465 counting only the distinct ones).

The product of its digits is 7560, while the sum is 28.

The square root of 252217333 is about 15881.3517371790. The cubic root of 252217333 is about 631.8174887251.

Adding to 252217333 its reverse (333712252), we get a palindrome (585929585).

The spelling of 252217333 in words is "two hundred fifty-two million, two hundred seventeen thousand, three hundred thirty-three".