3425206181 has 4 divisors (see below), whose sum is σ = 3481357164. Its totient is φ = 3369055200.

The previous prime is 3425206163. The next prime is 3425206193. The reversal of 3425206181 is 1816025243.

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 782320900 + 2642885281 = 27970^2 + 51409^2 .

It is a cyclic number.

It is not a de Polignac number, because 3425206181 - 2²⁶ = 3358097317 is a prime.

It is a super-2 number, since 2×3425206181² = 23464074764721209522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3425206111) by changing a digit.

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, 28075400 + ... + 28075521.

It is an arithmetic number, because the mean of its divisors is an integer number (870339291).

Almost surely, 2^3425206181 is an apocalyptic number.

It is an amenable number.

3425206181 is a deficient number, since it is larger than the sum of its proper divisors (56150983).

3425206181 is an equidigital number, since it uses as much as digits as its factorization.

3425206181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56150982.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 3425206181 is about 58525.2610502508. The cubic root of 3425206181 is about 1507.4013724646.

The spelling of 3425206181 in words is "three billion, four hundred twenty-five million, two hundred six thousand, one hundred eighty-one".