252296921 has 8 divisors (see below), whose sum is σ = 257056800. Its totient is φ = 247553280.

The previous prime is 252296887. The next prime is 252296923. The reversal of 252296921 is 129692252.

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

It is a cyclic number.

It is not a de Polignac number, because 252296921 - 2¹⁸ = 252034777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252296923) 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, 29945 + ... + 37433.

It is an arithmetic number, because the mean of its divisors is an integer number (32132100).

Almost surely, 2^252296921 is an apocalyptic number.

It is an amenable number.

252296921 is a deficient number, since it is larger than the sum of its proper divisors (4759879).

252296921 is an equidigital number, since it uses as much as digits as its factorization.

252296921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8119.

The product of its digits is 38880, while the sum is 38.

The square root of 252296921 is about 15883.8572456441. The cubic root of 252296921 is about 631.8839390908.

The spelling of 252296921 in words is "two hundred fifty-two million, two hundred ninety-six thousand, nine hundred twenty-one".