3505075 has 12 divisors (see below), whose sum is σ = 4967440. Its totient is φ = 2403360.

The previous prime is 3505067. The next prime is 3505079. The reversal of 3505075 is 5705053.

It is a happy number.

It is not a de Polignac number, because 3505075 - 2³ = 3505067 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (3505079) 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, 9840 + ... + 10189.

Almost surely, 2^3505075 is an apocalyptic number.

3505075 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3505075 is a deficient number, since it is larger than the sum of its proper divisors (1462365).

3505075 is a wasteful number, since it uses less digits than its factorization.

3505075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20046 (or 20041 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 3505075 is about 1872.1845528687. The cubic root of 3505075 is about 151.9027973868.

The spelling of 3505075 in words is "three million, five hundred five thousand, seventy-five".