2117475 has 24 divisors (see below), whose sum is σ = 3891120. Its totient is φ = 1128960.

The previous prime is 2117461. The next prime is 2117477. The reversal of 2117475 is 5747112.

It is not a de Polignac number, because 2117475 - 2⁶ = 2117411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2117477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 894 + ... + 2243.

It is an arithmetic number, because the mean of its divisors is an integer number (162130).

2^2117475 is an apocalyptic number.

2117475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2117475 is a deficient number, since it is larger than the sum of its proper divisors (1773645).

2117475 is a wasteful number, since it uses less digits than its factorization.

2117475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156 (or 3145 counting only the distinct ones).

The product of its digits is 1960, while the sum is 27.

The square root of 2117475 is about 1455.1546309585. The cubic root of 2117475 is about 128.4121440169.

The spelling of 2117475 in words is "two million, one hundred seventeen thousand, four hundred seventy-five".