252066436 has 12 divisors (see below), whose sum is σ = 441241612. Its totient is φ = 125997408.

The previous prime is 252066421. The next prime is 252066439. The reversal of 252066436 is 634660252.

It can be written as a sum of positive squares in 2 ways, for example, as 210076036 + 41990400 = 14494^2 + 6480^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (252066439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12706 + ... + 25798.

Almost surely, 2^252066436 is an apocalyptic number.

It is an amenable number.

252066436 is a deficient number, since it is larger than the sum of its proper divisors (189175176).

252066436 is a wasteful number, since it uses less digits than its factorization.

252066436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17910 (or 17908 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 252066436 is about 15876.6002658000. The cubic root of 252066436 is about 631.6914619872.

The spelling of 252066436 in words is "two hundred fifty-two million, sixty-six thousand, four hundred thirty-six".