2251171 has 8 divisors (see below), whose sum is σ = 2530080. Its totient is φ = 1987392.

The previous prime is 2251169. The next prime is 2251199. The reversal of 2251171 is 1711522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2251171 - 2¹ = 2251169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3466 + ... + 4063.

It is an arithmetic number, because the mean of its divisors is an integer number (316260).

2^2251171 is an apocalyptic number.

2251171 is a deficient number, since it is larger than the sum of its proper divisors (278909).

2251171 is a wasteful number, since it uses less digits than its factorization.

2251171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7565.

The product of its digits is 140, while the sum is 19.

The square root of 2251171 is about 1500.3902825598. The cubic root of 2251171 is about 131.0597982729.

Adding to 2251171 its reverse (1711522), we get a palindrome (3962693).

The spelling of 2251171 in words is "two million, two hundred fifty-one thousand, one hundred seventy-one".