252143267 has 4 divisors (see below), whose sum is σ = 253040856. Its totient is φ = 251245680.

The previous prime is 252143257. The next prime is 252143321. The reversal of 252143267 is 762341252.

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

It is a cyclic number.

It is not a de Polignac number, because 252143267 - 2⁴ = 252143251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252143257) 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, 448373 + ... + 448934.

It is an arithmetic number, because the mean of its divisors is an integer number (63260214).

Almost surely, 2^252143267 is an apocalyptic number.

252143267 is a deficient number, since it is larger than the sum of its proper divisors (897589).

252143267 is an equidigital number, since it uses as much as digits as its factorization.

252143267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897588.

The product of its digits is 20160, while the sum is 32.

The square root of 252143267 is about 15879.0197115565. The cubic root of 252143267 is about 631.7556362809.

The spelling of 252143267 in words is "two hundred fifty-two million, one hundred forty-three thousand, two hundred sixty-seven".