3539825 has 12 divisors (see below), whose sum is σ = 4648140. Its totient is φ = 2664960.

The previous prime is 3539819. The next prime is 3539831. The reversal of 3539825 is 5289353.

It is an interprime number because it is at equal distance from previous prime (3539819) and next prime (3539831).

It can be written as a sum of positive squares in 6 ways, for example, as 150544 + 3389281 = 388^2 + 1841^2 .

It is not a de Polignac number, because 3539825 - 2⁶ = 3539761 is a prime.

It is a super-2 number, since 2×3539825² = 25060722061250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3740 + ... + 4589.

It is an arithmetic number, because the mean of its divisors is an integer number (387345).

Almost surely, 2^3539825 is an apocalyptic number.

It is an amenable number.

3539825 is a deficient number, since it is larger than the sum of its proper divisors (1108315).

3539825 is a wasteful number, since it uses less digits than its factorization.

3539825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356 (or 8351 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 3539825 is about 1881.4422659226. The cubic root of 3539825 is about 152.4031455228.

The spelling of 3539825 in words is "three million, five hundred thirty-nine thousand, eight hundred twenty-five".