4003521052 has 12 divisors (see below), whose sum is σ = 7012487160. Its totient is φ = 1999953296.

The previous prime is 4003521047. The next prime is 4003521083. The reversal of 4003521052 is 2501253004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446818 + ... + 455689.

It is an arithmetic number, because the mean of its divisors is an integer number (584373930).

Almost surely, 2^4003521052 is an apocalyptic number.

It is an amenable number.

4003521052 is a deficient number, since it is larger than the sum of its proper divisors (3008966108).

4003521052 is a wasteful number, since it uses less digits than its factorization.

4003521052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903620 (or 903618 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 4003521052 is about 63273.3834404325. The cubic root of 4003521052 is about 1587.8666921704.

Adding to 4003521052 its reverse (2501253004), we get a palindrome (6504774056).

The spelling of 4003521052 in words is "four billion, three million, five hundred twenty-one thousand, fifty-two".