2971057 has 4 divisors (see below), whose sum is σ = 2975076. Its totient is φ = 2967040.

The previous prime is 2971051. The next prime is 2971081. The reversal of 2971057 is 7501792.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2852721 + 118336 = 1689^2 + 344^2 .

It is a cyclic number.

It is not a de Polignac number, because 2971057 - 2¹¹ = 2969009 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2971051) 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, 544 + ... + 2497.

It is an arithmetic number, because the mean of its divisors is an integer number (743769).

2^2971057 is an apocalyptic number.

It is an amenable number.

2971057 is a deficient number, since it is larger than the sum of its proper divisors (4019).

2971057 is an equidigital number, since it uses as much as digits as its factorization.

2971057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 2971057 is about 1723.6754334851. The cubic root of 2971057 is about 143.7596459816.

The spelling of 2971057 in words is "two million, nine hundred seventy-one thousand, fifty-seven".