3212725 has 6 divisors (see below), whose sum is σ = 3983810. Its totient is φ = 2570160.

The previous prime is 3212723. The next prime is 3212743. The reversal of 3212725 is 5272123.

It can be written as a sum of positive squares in 3 ways, for example, as 463761 + 2748964 = 681^2 + 1658^2 .

It is not a de Polignac number, because 3212725 - 2¹ = 3212723 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3212696 and 3212705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64230 + ... + 64279.

Almost surely, 2^3212725 is an apocalyptic number.

It is an amenable number.

3212725 is a deficient number, since it is larger than the sum of its proper divisors (771085).

3212725 is a wasteful number, since it uses less digits than its factorization.

3212725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128519 (or 128514 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 3212725 is about 1792.4075987342. The cubic root of 3212725 is about 147.5563320216.

Adding to 3212725 its reverse (5272123), we get a palindrome (8484848).

The spelling of 3212725 in words is "three million, two hundred twelve thousand, seven hundred twenty-five".