252473 has 4 divisors (see below), whose sum is σ = 271908. Its totient is φ = 233040.

The previous prime is 252463. The next prime is 252481. The reversal of 252473 is 374252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 157609 + 94864 = 397^2 + 308^2 .

It is a cyclic number.

It is not a de Polignac number, because 252473 - 2⁴ = 252457 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 5⁵ + 4⁴ + 2¹⁷ + 7⁶ + 3⁵ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252443) by changing a digit.

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, 9698 + ... + 9723.

It is an arithmetic number, because the mean of its divisors is an integer number (67977).

2²⁵²⁴⁷³ is an apocalyptic number.

It is an amenable number.

252473 is a deficient number, since it is larger than the sum of its proper divisors (19435).

252473 is a wasteful number, since it uses less digits than its factorization.

252473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19434.

The product of its digits is 1680, while the sum is 23.

The square root of 252473 is about 502.4669143337. The cubic root of 252473 is about 63.2030902991.

The spelling of 252473 in words is "two hundred fifty-two thousand, four hundred seventy-three".