252626 has 8 divisors (see below), whose sum is σ = 413424. Its totient is φ = 114820.

The previous prime is 252617. The next prime is 252641. The reversal of 252626 is 626252.

It is a happy number.

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

It is an Ulam number.

It is a nialpdrome in base 8.

It is an unprimeable number.

252626 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 5720 + ... + 5763.

It is an arithmetic number, because the mean of its divisors is an integer number (51678).

2²⁵²⁶²⁶ is an apocalyptic number.

252626 is a deficient number, since it is larger than the sum of its proper divisors (160798).

252626 is a wasteful number, since it uses less digits than its factorization.

252626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11496.

The product of its digits is 1440, while the sum is 23.

The square root of 252626 is about 502.6191401051. The cubic root of 252626 is about 63.2158548589.

Adding to 252626 its reverse (626252), we get a palindrome (878878).

It can be divided in two parts, 2526 and 26, that added together give a palindrome (2552).

The spelling of 252626 in words is "two hundred fifty-two thousand, six hundred twenty-six".