252246030 has 32 divisors (see below), whose sum is σ = 605981088. Its totient is φ = 67200000.

The previous prime is 252246023. The next prime is 252246067. The reversal of 252246030 is 30642252.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32530 + ... + 39530.

It is an arithmetic number, because the mean of its divisors is an integer number (18936909).

Almost surely, 2^252246030 is an apocalyptic number.

252246030 is an abundant number, since it is smaller than the sum of its proper divisors (353735058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252246030 is a wasteful number, since it uses less digits than its factorization.

252246030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8212.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 252246030 is about 15882.2551925097. The cubic root of 252246030 is about 631.8414503070.

Adding to 252246030 its reverse (30642252), we get a palindrome (282888282).

The spelling of 252246030 in words is "two hundred fifty-two million, two hundred forty-six thousand, thirty".