2551171 has 8 divisors (see below), whose sum is σ = 2951424. Its totient is φ = 2159880.

The previous prime is 2551169. The next prime is 2551177. The reversal of 2551171 is 1711552.

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 2551171 - 2¹ = 2551169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2551177) 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, 1615 + ... + 2776.

It is an arithmetic number, because the mean of its divisors is an integer number (368928).

2^2551171 is an apocalyptic number.

2551171 is a deficient number, since it is larger than the sum of its proper divisors (400253).

2551171 is an equidigital number, since it uses as much as digits as its factorization.

2551171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481.

The product of its digits is 350, while the sum is 22.

The square root of 2551171 is about 1597.2385545059. The cubic root of 2551171 is about 136.6406302440.

The spelling of 2551171 in words is "two million, five hundred fifty-one thousand, one hundred seventy-one".