3549625 has 16 divisors (see below), whose sum is σ = 4502160. Its totient is φ = 2793600.

The previous prime is 3549619. The next prime is 3549631. The reversal of 3549625 is 5269453.

It is an interprime number because it is at equal distance from previous prime (3549619) and next prime (3549631).

It can be written as a sum of positive squares in 8 ways, for example, as 1510441 + 2039184 = 1229^2 + 1428^2 .

It is not a de Polignac number, because 3549625 - 2⁹ = 3549113 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8931 + ... + 9319.

It is an arithmetic number, because the mean of its divisors is an integer number (281385).

Almost surely, 2^3549625 is an apocalyptic number.

It is an amenable number.

3549625 is a deficient number, since it is larger than the sum of its proper divisors (952535).

3549625 is an equidigital number, since it uses as much as digits as its factorization.

3549625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 467 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 3549625 is about 1884.0448508462. The cubic root of 3549625 is about 152.5436585562.

The spelling of 3549625 in words is "three million, five hundred forty-nine thousand, six hundred twenty-five".