252545 has 8 divisors (see below), whose sum is σ = 309096. Its totient is φ = 198016.

The previous prime is 252541. The next prime is 252559. The reversal of 252545 is 545252.

252545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 37249 + 215296 = 193^2 + 464^2 .

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 252545 - 2² = 252541 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 252545.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252545.

It is not an unprimeable number, because it can be changed into a prime (252541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212 + ... + 741.

It is an arithmetic number, because the mean of its divisors is an integer number (38637).

2²⁵²⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

252545 is a deficient number, since it is larger than the sum of its proper divisors (56551).

252545 is an equidigital number, since it uses as much as digits as its factorization.

252545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011.

The product of its digits is 2000, while the sum is 23.

The square root of 252545 is about 502.5385557348. The cubic root of 252545 is about 63.2090977930.

Adding to 252545 its reverse (545252), we get a palindrome (797797).

It can be divided in two parts, 252 and 545, that added together give a palindrome (797).

The spelling of 252545 in words is "two hundred fifty-two thousand, five hundred forty-five".