3521875 has 36 divisors (see below), whose sum is σ = 5343408. Its totient is φ = 2310000.

The previous prime is 3521867. The next prime is 3521909. The reversal of 3521875 is 5781253.

It is not a de Polignac number, because 3521875 - 2³ = 3521867 is a prime.

Its product of digits (8400) is a multiple of the sum of its prime divisors (35).

3521875 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 153114 + ... + 153136.

It is an arithmetic number, because the mean of its divisors is an integer number (148428).

Almost surely, 2^3521875 is an apocalyptic number.

3521875 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3521875 is a deficient number, since it is larger than the sum of its proper divisors (1821533).

3521875 is an frugal number, since it uses more digits than its factorization.

3521875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 35 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 3521875 is about 1876.6659265836. The cubic root of 3521875 is about 152.1451032417.

It can be divided in two parts, 35 and 21875, that multiplied together give a square (765625 = 875²).

The spelling of 3521875 in words is "three million, five hundred twenty-one thousand, eight hundred seventy-five".