3625445 has 8 divisors (see below), whose sum is σ = 4468344. Its totient is φ = 2821824.

The previous prime is 3625429. The next prime is 3625477. The reversal of 3625445 is 5445263.

It can be written as a sum of positive squares in 4 ways, for example, as 806404 + 2819041 = 898^2 + 1679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3625445 - 2⁴ = 3625429 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 6⁷ + 2²¹ + 5⁵ + 4⁷ + 4¹⁰ + 5⁵ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9614 + ... + 9983.

It is an arithmetic number, because the mean of its divisors is an integer number (558543).

Almost surely, 2^3625445 is an apocalyptic number.

It is an amenable number.

3625445 is a deficient number, since it is larger than the sum of its proper divisors (842899).

3625445 is a wasteful number, since it uses less digits than its factorization.

3625445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19639.

The product of its digits is 14400, while the sum is 29.

The square root of 3625445 is about 1904.0601356050. The cubic root of 3625445 is about 153.6221269167.

The spelling of 3625445 in words is "three million, six hundred twenty-five thousand, four hundred forty-five".