4251232005 has 16 divisors (see below), whose sum is σ = 6802885440. Its totient is φ = 2267019008.

The previous prime is 4251231917. The next prime is 4251232033. The reversal of 4251232005 is 5002321524.

It is a cyclic number.

It is not a de Polignac number, because 4251232005 - 2⁷ = 4251231877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138109 + ... + 166061.

It is an arithmetic number, because the mean of its divisors is an integer number (425180340).

Almost surely, 2^4251232005 is an apocalyptic number.

It is an amenable number.

4251232005 is a deficient number, since it is larger than the sum of its proper divisors (2551653435).

4251232005 is a wasteful number, since it uses less digits than its factorization.

4251232005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38100.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 4251232005 is about 65201.4724143558. The cubic root of 4251232005 is about 1619.9624038676.

Adding to 4251232005 its reverse (5002321524), we get a palindrome (9253553529).

The spelling of 4251232005 in words is "four billion, two hundred fifty-one million, two hundred thirty-two thousand, five".