252106 has 8 divisors (see below), whose sum is σ = 380484. Its totient is φ = 125280.

The previous prime is 252101. The next prime is 252139. The reversal of 252106 is 601252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 241081 + 11025 = 491^2 + 105^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 252106.

It is not an unprimeable number, because it can be changed into a prime (252101) 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, 196 + ... + 736.

2²⁵²¹⁰⁶ is an apocalyptic number.

252106 is a deficient number, since it is larger than the sum of its proper divisors (128378).

252106 is a wasteful number, since it uses less digits than its factorization.

252106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 252106 is about 502.1015833474. The cubic root of 252106 is about 63.1724510065.

Adding to 252106 its reverse (601252), we get a palindrome (853358).

It can be divided in two parts, 25 and 2106, that multiplied together give a triangular number (52650 = T₃₂₄).

The spelling of 252106 in words is "two hundred fifty-two thousand, one hundred six".