4257481252 has 12 divisors (see below), whose sum is σ = 7534307340. Its totient is φ = 2104822016.

The previous prime is 4257481247. The next prime is 4257481289. The reversal of 4257481252 is 2521847524.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2640315456 + 1617165796 = 51384^2 + 40214^2 .

It is a super-2 number, since 2×4257481252² = 36252293222262975008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5979253 + ... + 5979964.

It is an arithmetic number, because the mean of its divisors is an integer number (627858945).

Almost surely, 2^4257481252 is an apocalyptic number.

It is an amenable number.

4257481252 is a deficient number, since it is larger than the sum of its proper divisors (3276826088).

4257481252 is a wasteful number, since it uses less digits than its factorization.

4257481252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11959310 (or 11959308 counting only the distinct ones).

The product of its digits is 179200, while the sum is 40.

The square root of 4257481252 is about 65249.3774069914. The cubic root of 4257481252 is about 1620.7557886826.

The spelling of 4257481252 in words is "four billion, two hundred fifty-seven million, four hundred eighty-one thousand, two hundred fifty-two".