3505249 has 12 divisors (see below), whose sum is σ = 3926160. Its totient is φ = 3126200.

The previous prime is 3505237. The next prime is 3505267. The reversal of 3505249 is 9425053.

It is a de Polignac number, because none of the positive numbers 2^k-3505249 is a prime.

It is a Duffinian number.

3505249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3505219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6894 + ... + 7384.

It is an arithmetic number, because the mean of its divisors is an integer number (327180).

Almost surely, 2^3505249 is an apocalyptic number.

It is an amenable number.

3505249 is a deficient number, since it is larger than the sum of its proper divisors (420911).

3505249 is a wasteful number, since it uses less digits than its factorization.

3505249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 561 counting only the distinct ones).

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

The square root of 3505249 is about 1872.2310220697. The cubic root of 3505249 is about 151.9053109468.

The spelling of 3505249 in words is "three million, five hundred five thousand, two hundred forty-nine".