4003345252 has 24 divisors (see below), whose sum is σ = 7289364600. Its totient is φ = 1921468416.

The previous prime is 4003345237. The next prime is 4003345259. The reversal of 4003345252 is 2525433004.

It can be written as a sum of positive squares in 4 ways, for example, as 1548737316 + 2454607936 = 39354^2 + 49544^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4003345252.

It is not an unprimeable number, because it can be changed into a prime (4003345259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79677 + ... + 119812.

It is an arithmetic number, because the mean of its divisors is an integer number (303723525).

Almost surely, 2^4003345252 is an apocalyptic number.

It is an amenable number.

4003345252 is a deficient number, since it is larger than the sum of its proper divisors (3286019348).

4003345252 is a wasteful number, since it uses less digits than its factorization.

4003345252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199695 (or 199693 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 4003345252 is about 63271.9942154505. The cubic root of 4003345252 is about 1587.8434500420.

Adding to 4003345252 its reverse (2525433004), we get a palindrome (6528778256).

The spelling of 4003345252 in words is "four billion, three million, three hundred forty-five thousand, two hundred fifty-two".