3512665 has 12 divisors (see below), whose sum is σ = 4565484. Its totient is φ = 2593344.

The previous prime is 3512657. The next prime is 3512671. The reversal of 3512665 is 5662153.

It can be written as a sum of positive squares in 6 ways, for example, as 760384 + 2752281 = 872^2 + 1659^2 .

It is not a de Polignac number, because 3512665 - 2³ = 3512657 is a prime.

It is a Duffinian number.

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, 1234 + ... + 2923.

It is an arithmetic number, because the mean of its divisors is an integer number (380457).

Almost surely, 2^3512665 is an apocalyptic number.

It is an amenable number.

3512665 is a deficient number, since it is larger than the sum of its proper divisors (1052819).

3512665 is a wasteful number, since it uses less digits than its factorization.

3512665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188 (or 4175 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 3512665 is about 1874.2105004508. The cubic root of 3512665 is about 152.0123633757.

The spelling of 3512665 in words is "three million, five hundred twelve thousand, six hundred sixty-five".