3215125 has 24 divisors (see below), whose sum is σ = 4310280. Its totient is φ = 2393600.

The previous prime is 3215119. The next prime is 3215131. The reversal of 3215125 is 5215123.

It is an interprime number because it is at equal distance from previous prime (3215119) and next prime (3215131).

It can be written as a sum of positive squares in 12 ways, for example, as 1874161 + 1340964 = 1369^2 + 1158^2 .

It is not a de Polignac number, because 3215125 - 2³ = 3215117 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36081 + ... + 36169.

It is an arithmetic number, because the mean of its divisors is an integer number (179595).

Almost surely, 2^3215125 is an apocalyptic number.

It is an amenable number.

3215125 is a deficient number, since it is larger than the sum of its proper divisors (1095155).

3215125 is an equidigital number, since it uses as much as digits as its factorization.

3215125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 111 counting only the distinct ones).

The product of its digits is 300, while the sum is 19.

The square root of 3215125 is about 1793.0769643270. The cubic root of 3215125 is about 147.5930658484.

The spelling of 3215125 in words is "three million, two hundred fifteen thousand, one hundred twenty-five".