252166 has 8 divisors (see below), whose sum is σ = 384840. Its totient is φ = 123888.

The previous prime is 252163. The next prime is 252169. The reversal of 252166 is 661252.

252166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (252163) and next prime (252169).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252163) 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, 951 + ... + 1186.

It is an arithmetic number, because the mean of its divisors is an integer number (48105).

2²⁵²¹⁶⁶ is an apocalyptic number.

252166 is a deficient number, since it is larger than the sum of its proper divisors (132674).

252166 is a wasteful number, since it uses less digits than its factorization.

252166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198.

The product of its digits is 720, while the sum is 22.

The square root of 252166 is about 502.1613286584. The cubic root of 252166 is about 63.1774621875.

The spelling of 252166 in words is "two hundred fifty-two thousand, one hundred sixty-six".