252218773 has 8 divisors (see below), whose sum is σ = 255530240. Its totient is φ = 248929200.

The previous prime is 252218731. The next prime is 252218777. The reversal of 252218773 is 377812252.

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 252218773 - 2²¹ = 250121621 is a prime.

It is a super-2 number, since 2×252218773² = 127228618907251058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252218777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18388 + ... + 29026.

It is an arithmetic number, because the mean of its divisors is an integer number (31941280).

Almost surely, 2^252218773 is an apocalyptic number.

It is an amenable number.

252218773 is a deficient number, since it is larger than the sum of its proper divisors (3311467).

252218773 is a wasteful number, since it uses less digits than its factorization.

252218773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10947.

The product of its digits is 47040, while the sum is 37.

The square root of 252218773 is about 15881.3970733056. The cubic root of 252218773 is about 631.8186911477.

The spelling of 252218773 in words is "two hundred fifty-two million, two hundred eighteen thousand, seven hundred seventy-three".