3217725 has 60 divisors (see below), whose sum is σ = 6841824. Its totient is φ = 1464480.

The previous prime is 3217699. The next prime is 3217727. The reversal of 3217725 is 5277123.

3217725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3217725 - 2⁵ = 3217693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3217727) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 14062 + ... + 14288.

Almost surely, 2^3217725 is an apocalyptic number.

3217725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3217725 is an abundant number, since it is smaller than the sum of its proper divisors (3624099).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3217725 is a wasteful number, since it uses less digits than its factorization.

3217725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 242 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 3217725 is about 1793.8018285195. The cubic root of 3217725 is about 147.6328402041.

The spelling of 3217725 in words is "three million, two hundred seventeen thousand, seven hundred twenty-five".