252530242305 has 16 divisors (see below), whose sum is σ = 440780059584. Its totient is φ = 122438905280.

The previous prime is 252530242301. The next prime is 252530242331. The reversal of 252530242305 is 503242035252.

It is not a de Polignac number, because 252530242305 - 2² = 252530242301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (252530242301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765242994 + ... + 765243323.

It is an arithmetic number, because the mean of its divisors is an integer number (27548753724).

Almost surely, 2^252530242305 is an apocalyptic number.

It is an amenable number.

252530242305 is a deficient number, since it is larger than the sum of its proper divisors (188249817279).

252530242305 is a wasteful number, since it uses less digits than its factorization.

252530242305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530486336.

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 252530242305 its reverse (503242035252), we get a palindrome (755772277557).

The spelling of 252530242305 in words is "two hundred fifty-two billion, five hundred thirty million, two hundred forty-two thousand, three hundred five".