252723 has 8 divisors (see below), whose sum is σ = 342736. Its totient is φ = 165600.

The previous prime is 252713. The next prime is 252727. The reversal of 252723 is 327252.

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

It is not a de Polignac number, because 252723 - 2⁵ = 252691 is a prime.

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

It is a Duffinian number.

252723 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 252723.

It is not an unprimeable number, because it can be changed into a prime (252727) 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, 508 + ... + 873.

It is an arithmetic number, because the mean of its divisors is an integer number (42842).

2²⁵²⁷²³ is an apocalyptic number.

252723 is a deficient number, since it is larger than the sum of its proper divisors (90013).

252723 is a wasteful number, since it uses less digits than its factorization.

252723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445.

The product of its digits is 840, while the sum is 21.

The square root of 252723 is about 502.7156253788. The cubic root of 252723 is about 63.2239447537.

Adding to 252723 its reverse (327252), we get a palindrome (579975).

Subtracting 252723 from its reverse (327252), we obtain a square (74529 = 273²).

It can be divided in two parts, 2 and 52723, that added together give a palindrome (52725).

The spelling of 252723 in words is "two hundred fifty-two thousand, seven hundred twenty-three".