2109475 has 12 divisors (see below), whose sum is σ = 2754040. Its totient is φ = 1598400.

The previous prime is 2109461. The next prime is 2109509. The reversal of 2109475 is 5749012.

It is a happy number.

It is not a de Polignac number, because 2109475 - 2¹³ = 2101283 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1746 + ... + 2695.

2^2109475 is an apocalyptic number.

2109475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2109475 is a deficient number, since it is larger than the sum of its proper divisors (644565).

2109475 is a wasteful number, since it uses less digits than its factorization.

2109475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470 (or 4465 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2109475 is about 1452.4031809384. The cubic root of 2109475 is about 128.2502226069.

The spelling of 2109475 in words is "two million, one hundred nine thousand, four hundred seventy-five".