3659125 has 16 divisors (see below), whose sum is σ = 4640688. Its totient is φ = 2880000.

The previous prime is 3659113. The next prime is 3659141. The reversal of 3659125 is 5219563.

It can be written as a sum of positive squares in 8 ways, for example, as 188356 + 3470769 = 434^2 + 1863^2 .

It is not a de Polignac number, because 3659125 - 2¹⁹ = 3134837 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 15 ways as a sum of consecutive naturals, for example, 8925 + ... + 9325.

It is an arithmetic number, because the mean of its divisors is an integer number (290043).

Almost surely, 2^3659125 is an apocalyptic number.

It is an amenable number.

3659125 is a deficient number, since it is larger than the sum of its proper divisors (981563).

3659125 is an equidigital number, since it uses as much as digits as its factorization.

3659125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 479 counting only the distinct ones).

The product of its digits is 8100, while the sum is 31.

The square root of 3659125 is about 1912.8839483879. The cubic root of 3659125 is about 154.0963724660.

Adding to 3659125 its product of digits (8100), we get a square (3667225 = 1915²).

It can be divided in two parts, 365 and 9125, that multiplied together give a square (3330625 = 1825²).

The spelling of 3659125 in words is "three million, six hundred fifty-nine thousand, one hundred twenty-five".