4005025252 has 6 divisors (see below), whose sum is σ = 7008794198. Its totient is φ = 2002512624.

The previous prime is 4005025249. The next prime is 4005025267. The reversal of 4005025252 is 2525205004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2577999076 + 1427026176 = 50774^2 + 37776^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500628153 + ... + 500628160.

Almost surely, 2^4005025252 is an apocalyptic number.

It is an amenable number.

4005025252 is a deficient number, since it is larger than the sum of its proper divisors (3003768946).

4005025252 is a wasteful number, since it uses less digits than its factorization.

4005025252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001256317 (or 1001256315 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 4005025252 is about 63285.2688388064. The cubic root of 4005025252 is about 1588.0655313071.

The spelling of 4005025252 in words is "four billion, five million, twenty-five thousand, two hundred fifty-two".