65005252 has 24 divisors (see below), whose sum is σ = 122979416. Its totient is φ = 29887488.

The previous prime is 65005249. The next prime is 65005261. The reversal of 65005252 is 25250056.

It can be written as a sum of positive squares in 4 ways, for example, as 8213956 + 56791296 = 2866^2 + 7536^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12148 + ... + 16660.

Almost surely, 2^65005252 is an apocalyptic number.

It is an amenable number.

65005252 is a deficient number, since it is larger than the sum of its proper divisors (57974164).

65005252 is a wasteful number, since it uses less digits than its factorization.

65005252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807 (or 4805 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 65005252 is about 8062.5834569324. The cubic root of 65005252 is about 402.0834047220.

The spelling of 65005252 in words is "sixty-five million, five thousand, two hundred fifty-two".