2757971 has 4 divisors (see below), whose sum is σ = 2764944. Its totient is φ = 2751000.

The previous prime is 2757917. The next prime is 2758003. The reversal of 2757971 is 1797572.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2757971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2757901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2855 + ... + 3696.

It is an arithmetic number, because the mean of its divisors is an integer number (691236).

2^2757971 is an apocalyptic number.

2757971 is a deficient number, since it is larger than the sum of its proper divisors (6973).

2757971 is an equidigital number, since it uses as much as digits as its factorization.

2757971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6972.

The product of its digits is 30870, while the sum is 38.

The square root of 2757971 is about 1660.7140030722. The cubic root of 2757971 is about 140.2371999295.

The spelling of 2757971 in words is "two million, seven hundred fifty-seven thousand, nine hundred seventy-one".