3111425 has 12 divisors (see below), whose sum is σ = 4085676. Its totient is φ = 2342400.

The previous prime is 3111419. The next prime is 3111431. The reversal of 3111425 is 5241113.

3111425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3111419) and next prime (3111431).

It can be written as a sum of positive squares in 6 ways, for example, as 425104 + 2686321 = 652^2 + 1639^2 .

It is not a de Polignac number, because 3111425 - 2⁸ = 3111169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3236 + ... + 4085.

It is an arithmetic number, because the mean of its divisors is an integer number (340473).

Almost surely, 2^3111425 is an apocalyptic number.

It is an amenable number.

3111425 is a deficient number, since it is larger than the sum of its proper divisors (974251).

3111425 is a wasteful number, since it uses less digits than its factorization.

3111425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348 (or 7343 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 3111425 is about 1763.9231842685. The cubic root of 3111425 is about 145.9888807445.

Adding to 3111425 its reverse (5241113), we get a palindrome (8352538).

The spelling of 3111425 in words is "three million, one hundred eleven thousand, four hundred twenty-five".