4151215252 has 12 divisors (see below), whose sum is σ = 7346252340. Its totient is φ = 2052286016.

The previous prime is 4151215223. The next prime is 4151215253. The reversal of 4151215252 is 2525121514.

It can be written as a sum of positive squares in 2 ways, for example, as 2152588816 + 1998626436 = 46396^2 + 44706^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4151215252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4151215253) 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 3 ways as a sum of consecutive naturals, for example, 5830003 + ... + 5830714.

It is an arithmetic number, because the mean of its divisors is an integer number (612187695).

Almost surely, 2^4151215252 is an apocalyptic number.

It is an amenable number.

4151215252 is a deficient number, since it is larger than the sum of its proper divisors (3195037088).

4151215252 is a wasteful number, since it uses less digits than its factorization.

4151215252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11660810 (or 11660808 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 4151215252 is about 64429.9251280024. The cubic root of 4151215252 is about 1607.1574202790.

Adding to 4151215252 its reverse (2525121514), we get a palindrome (6676336766).

The spelling of 4151215252 in words is "four billion, one hundred fifty-one million, two hundred fifteen thousand, two hundred fifty-two".