3515225 has 24 divisors (see below), whose sum is σ = 5088960. Its totient is φ = 2358720.

The previous prime is 3515219. The next prime is 3515257. The reversal of 3515225 is 5225153.

It is not a de Polignac number, because 3515225 - 2¹⁴ = 3498841 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3515225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9086 + ... + 9464.

It is an arithmetic number, because the mean of its divisors is an integer number (212040).

Almost surely, 2^3515225 is an apocalyptic number.

3515225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3515225 is a deficient number, since it is larger than the sum of its proper divisors (1573735).

3515225 is a wasteful number, since it uses less digits than its factorization.

3515225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 444 counting only the distinct ones).

The product of its digits is 1500, while the sum is 23.

The square root of 3515225 is about 1874.8933302991. The cubic root of 3515225 is about 152.0492828421.

The spelling of 3515225 in words is "three million, five hundred fifteen thousand, two hundred twenty-five".