3431825 has 6 divisors (see below), whose sum is σ = 4255494. Its totient is φ = 2745440.

The previous prime is 3431821. The next prime is 3431849. The reversal of 3431825 is 5281343.

3431825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 868624 + 2563201 = 932^2 + 1601^2 .

It is not a de Polignac number, because 3431825 - 2² = 3431821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3431794 and 3431803.

It is not an unprimeable number, because it can be changed into a prime (3431821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68612 + ... + 68661.

It is an arithmetic number, because the mean of its divisors is an integer number (709249).

Almost surely, 2^3431825 is an apocalyptic number.

It is an amenable number.

3431825 is a deficient number, since it is larger than the sum of its proper divisors (823669).

3431825 is a wasteful number, since it uses less digits than its factorization.

3431825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137283 (or 137278 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 3431825 is about 1852.5185559125. The cubic root of 3431825 is about 150.8371707932.

It can be divided in two parts, 34318 and 25, that added together give a palindrome (34343).

The spelling of 3431825 in words is "three million, four hundred thirty-one thousand, eight hundred twenty-five".