252321266 has 8 divisors (see below), whose sum is σ = 381954540. Its totient is φ = 125003088.

The previous prime is 252321253. The next prime is 252321269. The reversal of 252321266 is 662123252.

It can be written as a sum of positive squares in 2 ways, for example, as 242580625 + 9740641 = 15575^2 + 3121^2 .

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

It is not an unprimeable number, because it can be changed into a prime (252321269) 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, 578501 + ... + 578936.

Almost surely, 2^252321266 is an apocalyptic number.

252321266 is a deficient number, since it is larger than the sum of its proper divisors (129633274).

252321266 is a wasteful number, since it uses less digits than its factorization.

252321266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157548.

The product of its digits is 8640, while the sum is 29.

The square root of 252321266 is about 15884.6235712402. The cubic root of 252321266 is about 631.9042626572.

The spelling of 252321266 in words is "two hundred fifty-two million, three hundred twenty-one thousand, two hundred sixty-six".