252242433 has 6 divisors (see below), whose sum is σ = 364350194. Its totient is φ = 168161616.

The previous prime is 252242411. The next prime is 252242437. The reversal of 252242433 is 334242252.

It is a happy number.

252242433 is a `hidden beast` number, since 2 + 5 + 224 + 2 + 433 = 666.

It can be written as a sum of positive squares in only one way, i.e., 236298384 + 15944049 = 15372^2 + 3993^2 .

It is not a de Polignac number, because 252242433 - 2¹⁴ = 252226049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252242397 and 252242406.

It is not an unprimeable number, because it can be changed into a prime (252242437) 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 5 ways as a sum of consecutive naturals, for example, 14013460 + ... + 14013477.

Almost surely, 2^252242433 is an apocalyptic number.

It is an amenable number.

252242433 is a deficient number, since it is larger than the sum of its proper divisors (112107761).

252242433 is a wasteful number, since it uses less digits than its factorization.

252242433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28026943 (or 28026940 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 252242433 is about 15882.1419525201. The cubic root of 252242433 is about 631.8384469634.

Adding to 252242433 its reverse (334242252), we get a palindrome (586484685).

The spelling of 252242433 in words is "two hundred fifty-two million, two hundred forty-two thousand, four hundred thirty-three".