4005652251 has 8 divisors (see below), whose sum is σ = 5655038544. Its totient is φ = 2513350400.

The previous prime is 4005652247. The next prime is 4005652267. The reversal of 4005652251 is 1522565004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4005652251 - 2² = 4005652247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4005652201) 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, 39271050 + ... + 39271151.

It is an arithmetic number, because the mean of its divisors is an integer number (706879818).

Almost surely, 2^4005652251 is an apocalyptic number.

4005652251 is a deficient number, since it is larger than the sum of its proper divisors (1649386293).

4005652251 is a wasteful number, since it uses less digits than its factorization.

4005652251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78542221.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 4005652251 is about 63290.2223965124. Note that the first 3 decimals coincide. The cubic root of 4005652251 is about 1588.1483991611.

The spelling of 4005652251 in words is "four billion, five million, six hundred fifty-two thousand, two hundred fifty-one".