3650825 has 6 divisors (see below), whose sum is σ = 4527054. Its totient is φ = 2920640.

The previous prime is 3650809. The next prime is 3650833. The reversal of 3650825 is 5280563.

It can be written as a sum of positive squares in 3 ways, for example, as 478864 + 3171961 = 692^2 + 1781^2 .

It is not a de Polignac number, because 3650825 - 2⁴ = 3650809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72992 + ... + 73041.

It is an arithmetic number, because the mean of its divisors is an integer number (754509).

Almost surely, 2^3650825 is an apocalyptic number.

It is an amenable number.

3650825 is a deficient number, since it is larger than the sum of its proper divisors (876229).

3650825 is a wasteful number, since it uses less digits than its factorization.

3650825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146043 (or 146038 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 3650825 is about 1910.7132176232. The cubic root of 3650825 is about 153.9797718976.

The spelling of 3650825 in words is "three million, six hundred fifty thousand, eight hundred twenty-five".