3256625 has 8 divisors (see below), whose sum is σ = 4064424. Its totient is φ = 2605200.

The previous prime is 3256621. The next prime is 3256637. The reversal of 3256625 is 5266523.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2209 + 3254416 = 47^2 + 1804^2 .

It is not a de Polignac number, because 3256625 - 2² = 3256621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3256621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12902 + ... + 13151.

It is an arithmetic number, because the mean of its divisors is an integer number (508053).

Almost surely, 2^3256625 is an apocalyptic number.

It is an amenable number.

3256625 is a deficient number, since it is larger than the sum of its proper divisors (807799).

3256625 is an equidigital number, since it uses as much as digits as its factorization.

3256625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26068 (or 26058 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 3256625 is about 1804.6121466952. The cubic root of 3256625 is about 148.2253840130.

The spelling of 3256625 in words is "three million, two hundred fifty-six thousand, six hundred twenty-five".