3123425 has 12 divisors (see below), whose sum is σ = 3914556. Its totient is φ = 2472000.

The previous prime is 3123413. The next prime is 3123431. The reversal of 3123425 is 5243213.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 247009 + 2876416 = 497^2 + 1696^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3123425 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3123397 and 3123406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1907 + ... + 3143.

It is an arithmetic number, because the mean of its divisors is an integer number (326213).

Almost surely, 2^3123425 is an apocalyptic number.

It is an amenable number.

3123425 is a deficient number, since it is larger than the sum of its proper divisors (791131).

3123425 is a wasteful number, since it uses less digits than its factorization.

3123425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1343 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 3123425 is about 1767.3214195499. The cubic root of 3123425 is about 146.1763210341.

Adding to 3123425 its reverse (5243213), we get a palindrome (8366638).

The spelling of 3123425 in words is "three million, one hundred twenty-three thousand, four hundred twenty-five".