3975575 has 6 divisors (see below), whose sum is σ = 4929744. Its totient is φ = 3180440.

The previous prime is 3975547. The next prime is 3975577. The reversal of 3975575 is 5755793.

It is a happy number.

It is not a de Polignac number, because 3975575 - 2⁶ = 3975511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975577) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 79487 + ... + 79536.

It is an arithmetic number, because the mean of its divisors is an integer number (821624).

Almost surely, 2^3975575 is an apocalyptic number.

3975575 is a deficient number, since it is larger than the sum of its proper divisors (954169).

3975575 is a wasteful number, since it uses less digits than its factorization.

3975575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159033 (or 159028 counting only the distinct ones).

The product of its digits is 165375, while the sum is 41.

The square root of 3975575 is about 1993.8843998587. The cubic root of 3975575 is about 158.4163430532.

The spelling of 3975575 in words is "three million, nine hundred seventy-five thousand, five hundred seventy-five".