1770113 has 2 divisors, whose sum is σ = 1770114. Its totient is φ = 1770112.

The previous prime is 1770089. The next prime is 1770127. The reversal of 1770113 is 3110771.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1117249 + 652864 = 1057^2 + 808^2 .

It is an emirp because it is prime and its reverse (3110771) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1770113 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1770143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 885056 + 885057.

It is an arithmetic number, because the mean of its divisors is an integer number (885057).

2^1770113 is an apocalyptic number.

It is an amenable number.

1770113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1770113 is an equidigital number, since it uses as much as digits as its factorization.

1770113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147, while the sum is 20.

The square root of 1770113 is about 1330.4559368878. The cubic root of 1770113 is about 120.9670242312.

Adding to 1770113 its reverse (3110771), we get a palindrome (4880884).

The spelling of 1770113 in words is "one million, seven hundred seventy thousand, one hundred thirteen".