2117275 has 6 divisors (see below), whose sum is σ = 2625452. Its totient is φ = 1693800.

The previous prime is 2117273. The next prime is 2117287. The reversal of 2117275 is 5727112.

It is a happy number.

It is not a de Polignac number, because 2117275 - 2¹ = 2117273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 84691 = 2117275 / (2 + 1 + 1 + 7 + 2 + 7 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2117273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42321 + ... + 42370.

2^2117275 is an apocalyptic number.

2117275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2117275 is a deficient number, since it is larger than the sum of its proper divisors (508177).

2117275 is an equidigital number, since it uses as much as digits as its factorization.

2117275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84701 (or 84696 counting only the distinct ones).

The product of its digits is 980, while the sum is 25.

The square root of 2117275 is about 1455.0859081168. The cubic root of 2117275 is about 128.4081009566.

The spelling of 2117275 in words is "two million, one hundred seventeen thousand, two hundred seventy-five".