4252145205 has 32 divisors (see below), whose sum is σ = 8482203648. Its totient is φ = 1767124800.

The previous prime is 4252145173. The next prime is 4252145221. The reversal of 4252145205 is 5025412524.

It is not a de Polignac number, because 4252145205 - 2⁵ = 4252145173 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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1839601 + ... + 1841910.

It is an arithmetic number, because the mean of its divisors is an integer number (265068864).

Almost surely, 2^4252145205 is an apocalyptic number.

It is an amenable number.

4252145205 is a deficient number, since it is larger than the sum of its proper divisors (4230058443).

4252145205 is a wasteful number, since it uses less digits than its factorization.

4252145205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681537.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 4252145205 is about 65208.4749476631. The cubic root of 4252145205 is about 1620.0783893633.

Adding to 4252145205 its reverse (5025412524), we get a palindrome (9277557729).

The spelling of 4252145205 in words is "four billion, two hundred fifty-two million, one hundred forty-five thousand, two hundred five".