252264745 has 16 divisors (see below), whose sum is σ = 309795840. Its totient is φ = 197111104.

The previous prime is 252264643. The next prime is 252264781. The reversal of 252264745 is 547462252.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252264745 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 168219 + ... + 169711.

It is an arithmetic number, because the mean of its divisors is an integer number (19362240).

Almost surely, 2^252264745 is an apocalyptic number.

It is an amenable number.

252264745 is a deficient number, since it is larger than the sum of its proper divisors (57531095).

252264745 is a wasteful number, since it uses less digits than its factorization.

252264745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264.

The product of its digits is 134400, while the sum is 37.

The square root of 252264745 is about 15882.8443611338. The cubic root of 252264745 is about 631.8570760836.

It can be divided in two parts, 252264 and 745, that added together give a square (253009 = 503²).

The spelling of 252264745 in words is "two hundred fifty-two million, two hundred sixty-four thousand, seven hundred forty-five".