3525405 has 32 divisors (see below), whose sum is σ = 6168960. Its totient is φ = 1708800.

The previous prime is 3525391. The next prime is 3525419. The reversal of 3525405 is 5045253.

It is an interprime number because it is at equal distance from previous prime (3525391) and next prime (3525419).

It is not a de Polignac number, because 3525405 - 2¹¹ = 3523357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19606 + ... + 19784.

It is an arithmetic number, because the mean of its divisors is an integer number (192780).

Almost surely, 2^3525405 is an apocalyptic number.

It is an amenable number.

3525405 is a deficient number, since it is larger than the sum of its proper divisors (2643555).

3525405 is a wasteful number, since it uses less digits than its factorization.

3525405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 3525405 is about 1877.6061887414. The cubic root of 3525405 is about 152.1959183025.

The spelling of 3525405 in words is "three million, five hundred twenty-five thousand, four hundred five".