2071457 has 2 divisors, whose sum is σ = 2071458. Its totient is φ = 2071456.

The previous prime is 2071453. The next prime is 2071463. The reversal of 2071457 is 7541702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2027776 + 43681 = 1424^2 + 209^2 .

It is a cyclic number.

It is not a de Polignac number, because 2071457 - 2² = 2071453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2071453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035728 + 1035729.

It is an arithmetic number, because the mean of its divisors is an integer number (1035729).

2^2071457 is an apocalyptic number.

It is an amenable number.

2071457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071457 is an equidigital number, since it uses as much as digits as its factorization.

2071457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 2071457 is about 1439.2557104281. The cubic root of 2071457 is about 127.4750841996.

The spelling of 2071457 in words is "two million, seventy-one thousand, four hundred fifty-seven".