4005697252 has 12 divisors (see below), whose sum is σ = 7012364716. Its totient is φ = 2002164480.

The previous prime is 4005697231. The next prime is 4005697303. The reversal of 4005697252 is 2527965004.

4005697252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3170140416 + 835556836 = 56304^2 + 28906^2 .

It is a super-2 number, since 2×4005697252² = 32091220949360703008, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 157749 + ... + 181372.

Almost surely, 2^4005697252 is an apocalyptic number.

It is an amenable number.

4005697252 is a deficient number, since it is larger than the sum of its proper divisors (3006667464).

4005697252 is a wasteful number, since it uses less digits than its factorization.

4005697252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342078 (or 342076 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 4005697252 is about 63290.5779085639. The cubic root of 4005697252 is about 1588.1543464238.

The spelling of 4005697252 in words is "four billion, five million, six hundred ninety-seven thousand, two hundred fifty-two".