252045306 has 24 divisors (see below), whose sum is σ = 546418080. Its totient is φ = 83965896.

The previous prime is 252045259. The next prime is 252045307. The reversal of 252045306 is 603540252.

It is a self number, because there is not a number n which added to its sum of digits gives 252045306.

It is not an unprimeable number, because it can be changed into a prime (252045307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40725 + ... + 46503.

It is an arithmetic number, because the mean of its divisors is an integer number (22767420).

Almost surely, 2^252045306 is an apocalyptic number.

252045306 is an abundant number, since it is smaller than the sum of its proper divisors (294372774).

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

252045306 is a wasteful number, since it uses less digits than its factorization.

252045306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210 (or 8207 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 252045306 is about 15875.9348071224. The cubic root of 252045306 is about 631.6738105381.

Adding to 252045306 its reverse (603540252), we get a palindrome (855585558).

The spelling of 252045306 in words is "two hundred fifty-two million, forty-five thousand, three hundred six".