252145833 has 4 divisors (see below), whose sum is σ = 336194448. Its totient is φ = 168097220.

The previous prime is 252145781. The next prime is 252145837. The reversal of 252145833 is 338541252.

252145833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252145833 - 2⁶ = 252145769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252145794 and 252145803.

It is not an unprimeable number, because it can be changed into a prime (252145837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42024303 + ... + 42024308.

It is an arithmetic number, because the mean of its divisors is an integer number (84048612).

Almost surely, 2^252145833 is an apocalyptic number.

It is an amenable number.

252145833 is a deficient number, since it is larger than the sum of its proper divisors (84048615).

252145833 is an equidigital number, since it uses as much as digits as its factorization.

252145833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84048614.

The product of its digits is 28800, while the sum is 33.

The square root of 252145833 is about 15879.1005097896. The cubic root of 252145833 is about 631.7577793475.

The spelling of 252145833 in words is "two hundred fifty-two million, one hundred forty-five thousand, eight hundred thirty-three".