4521311252 has 48 divisors (see below), whose sum is σ = 8155176960. Its totient is φ = 2192666112.

The previous prime is 4521311251. The next prime is 4521311257. The reversal of 4521311252 is 2521131254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521311251) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4534418 + ... + 4535414.

It is an arithmetic number, because the mean of its divisors is an integer number (169899520).

Almost surely, 2^4521311252 is an apocalyptic number.

It is an amenable number.

4521311252 is a deficient number, since it is larger than the sum of its proper divisors (3633865708).

4521311252 is a wasteful number, since it uses less digits than its factorization.

4521311252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320 (or 1318 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 4521311252 is about 67240.6963973456. The cubic root of 4521311252 is about 1653.5657507804.

It can be divided in two parts, 45213 and 11252, that added together give a palindrome (56465).

The spelling of 4521311252 in words is "four billion, five hundred twenty-one million, three hundred eleven thousand, two hundred fifty-two".