252530552530 has 16 divisors (see below), whose sum is σ = 455773647384. Its totient is φ = 100741409280.

The previous prime is 252530552423. The next prime is 252530552591. The reversal of 252530552530 is 35255035252.

It can be written as a sum of positive squares in 4 ways, for example, as 220611514249 + 31919038281 = 469693^2 + 178659^2 .

It is a super-2 number, since 2×252530552530² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252530552530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33847551 + ... + 33855010.

Almost surely, 2^252530552530 is an apocalyptic number.

252530552530 is a deficient number, since it is larger than the sum of its proper divisors (203243094854).

252530552530 is a wasteful number, since it uses less digits than its factorization.

252530552530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67702941.

The product of its (nonzero) digits is 225000, while the sum is 37.

Adding to 252530552530 its reverse (35255035252), we get a palindrome (287785587782).

The spelling of 252530552530 in words is "two hundred fifty-two billion, five hundred thirty million, five hundred fifty-two thousand, five hundred thirty".