252435243 has 8 divisors (see below), whose sum is σ = 336910288. Its totient is φ = 168125184.

The previous prime is 252435137. The next prime is 252435247. The reversal of 252435243 is 342534252.

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

It is not a de Polignac number, because 252435243 - 2⁹ = 252434731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252435243.

It is not an unprimeable number, because it can be changed into a prime (252435247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37630 + ... + 43827.

It is an arithmetic number, because the mean of its divisors is an integer number (42113786).

Almost surely, 2^252435243 is an apocalyptic number.

252435243 is a deficient number, since it is larger than the sum of its proper divisors (84475045).

252435243 is a wasteful number, since it uses less digits than its factorization.

252435243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82493.

The product of its digits is 28800, while the sum is 30.

The square root of 252435243 is about 15888.2108180877. The cubic root of 252435243 is about 631.9993949615. Note that the first 3 decimals are identical.

Adding to 252435243 its reverse (342534252), we get a palindrome (594969495).

Subtracting 252435243 from its reverse (342534252), we obtain a palindrome (90099009).

The spelling of 252435243 in words is "two hundred fifty-two million, four hundred thirty-five thousand, two hundred forty-three".