2321057 has 2 divisors, whose sum is σ = 2321058. Its totient is φ = 2321056.

The previous prime is 2321041. The next prime is 2321087. The reversal of 2321057 is 7501232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2298256 + 22801 = 1516^2 + 151^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321057 - 2⁴ = 2321041 is a prime.

It is equal to p₁₇₀₉₃₀ and since 2321057 and 170930 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2321017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160528 + 1160529.

It is an arithmetic number, because the mean of its divisors is an integer number (1160529).

2^2321057 is an apocalyptic number.

It is an amenable number.

2321057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321057 is an equidigital number, since it uses as much as digits as its factorization.

2321057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 2321057 is about 1523.5015589096. The cubic root of 2321057 is about 132.4022204914.

Adding to 2321057 its reverse (7501232), we get a palindrome (9822289).

The spelling of 2321057 in words is "two million, three hundred twenty-one thousand, fifty-seven".