3525666 has 16 divisors (see below), whose sum is σ = 7185024. Its totient is φ = 1152944.

The previous prime is 3525637. The next prime is 3525671. The reversal of 3525666 is 6665253.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5226 + ... + 5861.

It is an arithmetic number, because the mean of its divisors is an integer number (449064).

Almost surely, 2^3525666 is an apocalyptic number.

3525666 is an abundant number, since it is smaller than the sum of its proper divisors (3659358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3525666 is a wasteful number, since it uses less digits than its factorization.

3525666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11145.

The product of its digits is 32400, while the sum is 33.

The square root of 3525666 is about 1877.6756908476. The cubic root of 3525666 is about 152.1996741031.

The spelling of 3525666 in words is "three million, five hundred twenty-five thousand, six hundred sixty-six".