3171425 has 6 divisors (see below), whose sum is σ = 3932598. Its totient is φ = 2537120.

The previous prime is 3171409. The next prime is 3171431. The reversal of 3171425 is 5241713.

It can be written as a sum of positive squares in 3 ways, for example, as 1048576 + 2122849 = 1024^2 + 1457^2 .

It is not a de Polignac number, because 3171425 - 2⁴ = 3171409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3171425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63404 + ... + 63453.

It is an arithmetic number, because the mean of its divisors is an integer number (655433).

Almost surely, 2^3171425 is an apocalyptic number.

It is an amenable number.

3171425 is a deficient number, since it is larger than the sum of its proper divisors (761173).

3171425 is a wasteful number, since it uses less digits than its factorization.

3171425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126867 (or 126862 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 3171425 is about 1780.8495163826. The cubic root of 3171425 is about 146.9213178198.

It can be divided in two parts, 317 and 1425, that multiplied together give a triangular number (451725 = T₉₅₀).

The spelling of 3171425 in words is "three million, one hundred seventy-one thousand, four hundred twenty-five".