4206256825 has 6 divisors (see below), whose sum is σ = 5215758494. Its totient is φ = 3365005440.

The previous prime is 4206256799. The next prime is 4206256877. The reversal of 4206256825 is 5286526024.

It can be written as a sum of positive squares in 3 ways, for example, as 12787776 + 4193469049 = 3576^2 + 64757^2 .

It is not a de Polignac number, because 4206256825 - 2⁷ = 4206256697 is a prime.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 84125112 + ... + 84125161.

Almost surely, 2^4206256825 is an apocalyptic number.

It is an amenable number.

4206256825 is a deficient number, since it is larger than the sum of its proper divisors (1009501669).

4206256825 is a wasteful number, since it uses less digits than its factorization.

4206256825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168250283 (or 168250278 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 4206256825 is about 64855.6614722262. The cubic root of 4206256825 is about 1614.2294342748.

The spelling of 4206256825 in words is "four billion, two hundred six million, two hundred fifty-six thousand, eight hundred twenty-five".