252217 has 8 divisors (see below), whose sum is σ = 291456. Its totient is φ = 213792.

The previous prime is 252209. The next prime is 252223. The reversal of 252217 is 712252.

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

It is a cyclic number.

It is not a de Polignac number, because 252217 - 2³ = 252209 is a prime.

It is a super-2 number, since 2×252217² = 127226830178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252194 and 252203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252277) 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, 828 + ... + 1090.

It is an arithmetic number, because the mean of its divisors is an integer number (36432).

2²⁵²²¹⁷ is an apocalyptic number.

It is an amenable number.

252217 is a deficient number, since it is larger than the sum of its proper divisors (39239).

252217 is a wasteful number, since it uses less digits than its factorization.

252217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407.

The product of its digits is 280, while the sum is 19.

The square root of 252217 is about 502.2121065845. The cubic root of 252217 is about 63.1817210664.

Adding to 252217 its reverse (712252), we get a palindrome (964469).

The spelling of 252217 in words is "two hundred fifty-two thousand, two hundred seventeen".