3609225 has 24 divisors (see below), whose sum is σ = 6631520. Its totient is φ = 1924560.

The previous prime is 3609211. The next prime is 3609241. The reversal of 3609225 is 5229063.

It is not a de Polignac number, because 3609225 - 2⁴ = 3609209 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a Curzon 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, 1999 + ... + 3348.

Almost surely, 2^3609225 is an apocalyptic number.

It is an amenable number.

3609225 is a deficient number, since it is larger than the sum of its proper divisors (3022295).

3609225 is a wasteful number, since it uses less digits than its factorization.

3609225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5366 (or 5355 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3609225 is about 1899.7960416845. The cubic root of 3609225 is about 153.3926860123.

The spelling of 3609225 in words is "three million, six hundred nine thousand, two hundred twenty-five".