252603 has 24 divisors (see below), whose sum is σ = 419328. Its totient is φ = 145152.

The previous prime is 252589. The next prime is 252607. The reversal of 252603 is 306252.

It is not a de Polignac number, because 252603 - 2¹³ = 244411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252607) 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 23 ways as a sum of consecutive naturals, for example, 1926 + ... + 2052.

It is an arithmetic number, because the mean of its divisors is an integer number (17472).

2²⁵²⁶⁰³ is an apocalyptic number.

252603 is a deficient number, since it is larger than the sum of its proper divisors (166725).

252603 is a wasteful number, since it uses less digits than its factorization.

252603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 252603 is about 502.5962594369. The cubic root of 252603 is about 63.2139363327.

Adding to 252603 its reverse (306252), we get a palindrome (558855).

It can be divided in two parts, 25 and 2603, that added together give a triangular number (2628 = T₇₂).

The spelling of 252603 in words is "two hundred fifty-two thousand, six hundred three".