3143425 has 6 divisors (see below), whose sum is σ = 3897878. Its totient is φ = 2514720.

The previous prime is 3143411. The next prime is 3143447. The reversal of 3143425 is 5243413.

It can be written as a sum of positive squares in 3 ways, for example, as 361201 + 2782224 = 601^2 + 1668^2 .

It is not a de Polignac number, because 3143425 - 2¹⁷ = 3012353 is a prime.

It is a super-2 number, since 2×3143425² = 19762241461250, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3143396 and 3143405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62844 + ... + 62893.

Almost surely, 2^3143425 is an apocalyptic number.

It is an amenable number.

3143425 is a deficient number, since it is larger than the sum of its proper divisors (754453).

3143425 is a wasteful number, since it uses less digits than its factorization.

3143425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125747 (or 125742 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 3143425 is about 1772.9706709362. The cubic root of 3143425 is about 146.4876575235.

Adding to 3143425 its reverse (5243413), we get a palindrome (8386838).

The spelling of 3143425 in words is "three million, one hundred forty-three thousand, four hundred twenty-five".