252511306 has 16 divisors (see below), whose sum is σ = 394076160. Its totient is φ = 121217040.

The previous prime is 252511291. The next prime is 252511361. The reversal of 252511306 is 603115252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8161 + ... + 23908.

It is an arithmetic number, because the mean of its divisors is an integer number (24629760).

Almost surely, 2^252511306 is an apocalyptic number.

252511306 is a deficient number, since it is larger than the sum of its proper divisors (141564854).

252511306 is a wasteful number, since it uses less digits than its factorization.

252511306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32229.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 252511306 is about 15890.6043308617. The cubic root of 252511306 is about 632.0628659491.

Adding to 252511306 its reverse (603115252), we get a palindrome (855626558).

It can be divided in two parts, 2525 and 11306, that added together give a palindrome (13831).

The spelling of 252511306 in words is "two hundred fifty-two million, five hundred eleven thousand, three hundred six".