3547225 has 12 divisors (see below), whose sum is σ = 4798800. Its totient is φ = 2579600.

The previous prime is 3547223. The next prime is 3547249. The reversal of 3547225 is 5227453.

It is not a de Polignac number, because 3547225 - 2¹ = 3547223 is a prime.

It is a super-3 number, since 3×3547225³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3547193 and 3547202.

It is not an unprimeable number, because it can be changed into a prime (3547223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6175 + ... + 6724.

It is an arithmetic number, because the mean of its divisors is an integer number (399900).

Almost surely, 2^3547225 is an apocalyptic number.

It is an amenable number.

3547225 is a deficient number, since it is larger than the sum of its proper divisors (1251575).

3547225 is a wasteful number, since it uses less digits than its factorization.

3547225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920 (or 12915 counting only the distinct ones).

The product of its digits is 8400, while the sum is 28.

The square root of 3547225 is about 1883.4078156363. The cubic root of 3547225 is about 152.5092711375.

The spelling of 3547225 in words is "three million, five hundred forty-seven thousand, two hundred twenty-five".