2141217 has 12 divisors (see below), whose sum is σ = 3330964. Its totient is φ = 1317600.

The previous prime is 2141213. The next prime is 2141219. The reversal of 2141217 is 7121412.

It can be written as a sum of positive squares in 2 ways, for example, as 136161 + 2005056 = 369^2 + 1416^2 .

It is not a de Polignac number, because 2141217 - 2² = 2141213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2141217.

It is not an unprimeable number, because it can be changed into a prime (2141213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9034 + ... + 9267.

2^2141217 is an apocalyptic number.

It is an amenable number.

2141217 is a deficient number, since it is larger than the sum of its proper divisors (1189747).

2141217 is a wasteful number, since it uses less digits than its factorization.

2141217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18320 (or 18317 counting only the distinct ones).

The product of its digits is 112, while the sum is 18.

The square root of 2141217 is about 1463.2897867477. The cubic root of 2141217 is about 128.8902979379.

Adding to 2141217 its reverse (7121412), we get a palindrome (9262629).

It can be divided in two parts, 214 and 1217, that added together give a triangular number (1431 = T₅₃).

The spelling of 2141217 in words is "two million, one hundred forty-one thousand, two hundred seventeen".