3671225 has 6 divisors (see below), whose sum is σ = 4552350. Its totient is φ = 2936960.

The previous prime is 3671221. The next prime is 3671231. The reversal of 3671225 is 5221763.

It can be written as a sum of positive squares in 3 ways, for example, as 169 + 3671056 = 13^2 + 1916^2 .

It is not a de Polignac number, because 3671225 - 2² = 3671221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3671194 and 3671203.

It is not an unprimeable number, because it can be changed into a prime (3671221) 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, 73400 + ... + 73449.

It is an arithmetic number, because the mean of its divisors is an integer number (758725).

Almost surely, 2^3671225 is an apocalyptic number.

It is an amenable number.

3671225 is a deficient number, since it is larger than the sum of its proper divisors (881125).

3671225 is a wasteful number, since it uses less digits than its factorization.

3671225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146859 (or 146854 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 3671225 is about 1916.0441017889. The cubic root of 3671225 is about 154.2660409545.

Adding to 3671225 its reverse (5221763), we get a palindrome (8892988).

The spelling of 3671225 in words is "three million, six hundred seventy-one thousand, two hundred twenty-five".