4063257085 has 4 divisors (see below), whose sum is σ = 4875908508. Its totient is φ = 3250605664.

The previous prime is 4063257059. The next prime is 4063257131. The reversal of 4063257085 is 5807523604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 870781081 + 3192476004 = 29509^2 + 56502^2 .

It is a cyclic number.

It is not a de Polignac number, because 4063257085 - 2¹¹ = 4063255037 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 406325704 + ... + 406325713.

It is an arithmetic number, because the mean of its divisors is an integer number (1218977127).

Almost surely, 2^4063257085 is an apocalyptic number.

It is an amenable number.

4063257085 is a deficient number, since it is larger than the sum of its proper divisors (812651423).

4063257085 is an equidigital number, since it uses as much as digits as its factorization.

4063257085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812651422.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 4063257085 is about 63743.6827066024. The cubic root of 4063257085 is about 1595.7251885228.

The spelling of 4063257085 in words is "four billion, sixty-three million, two hundred fifty-seven thousand, eighty-five".