252322761 has 8 divisors (see below), whose sum is σ = 340689280. Its totient is φ = 166085712.

The previous prime is 252322757. The next prime is 252322781. The reversal of 252322761 is 167223252.

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

It is not a de Polignac number, because 252322761 - 2² = 252322757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252322751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532090 + ... + 532563.

It is an arithmetic number, because the mean of its divisors is an integer number (42586160).

Almost surely, 2^252322761 is an apocalyptic number.

It is an amenable number.

252322761 is a deficient number, since it is larger than the sum of its proper divisors (88366519).

252322761 is a wasteful number, since it uses less digits than its factorization.

252322761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064735.

The product of its digits is 10080, while the sum is 30.

The square root of 252322761 is about 15884.6706292576. The cubic root of 252322761 is about 631.9055106628.

The spelling of 252322761 in words is "two hundred fifty-two million, three hundred twenty-two thousand, seven hundred sixty-one".