1799563 has 2 divisors, whose sum is σ = 1799564. Its totient is φ = 1799562.

The previous prime is 1799549. The next prime is 1799573. The reversal of 1799563 is 3659971.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1799563 - 2¹³ = 1791371 is a prime.

1799563 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1799503) 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, 899781 + 899782.

It is an arithmetic number, because the mean of its divisors is an integer number (899782).

2^1799563 is an apocalyptic number.

1799563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1799563 is an equidigital number, since it uses as much as digits as its factorization.

1799563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 40.

The square root of 1799563 is about 1341.4779163296. The cubic root of 1799563 is about 121.6341949581.

The spelling of 1799563 in words is "one million, seven hundred ninety-nine thousand, five hundred sixty-three".