2152771 has 8 divisors (see below), whose sum is σ = 2240784. Its totient is φ = 2066400.

The previous prime is 2152753. The next prime is 2152783. The reversal of 2152771 is 1772512.

It is a happy number.

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 2152771 - 2⁵ = 2152739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152571) 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, 2721 + ... + 3421.

It is an arithmetic number, because the mean of its divisors is an integer number (280098).

2^2152771 is an apocalyptic number.

2152771 is a deficient number, since it is larger than the sum of its proper divisors (88013).

2152771 is an equidigital number, since it uses as much as digits as its factorization.

2152771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821.

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

The square root of 2152771 is about 1467.2324287583. The cubic root of 2152771 is about 129.1217127413.

The spelling of 2152771 in words is "two million, one hundred fifty-two thousand, seven hundred seventy-one".