1959563 has 4 divisors (see below), whose sum is σ = 1962768. Its totient is φ = 1956360.

The previous prime is 1959523. The next prime is 1959583. The reversal of 1959563 is 3659591.

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

It is a cyclic number.

It is not a de Polignac number, because 1959563 - 2¹² = 1955467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1959523) 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 in 3 ways as a sum of consecutive naturals, for example, 368 + ... + 2013.

It is an arithmetic number, because the mean of its divisors is an integer number (490692).

2^1959563 is an apocalyptic number.

1959563 is a deficient number, since it is larger than the sum of its proper divisors (3205).

1959563 is an equidigital number, since it uses as much as digits as its factorization.

1959563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204.

The product of its digits is 36450, while the sum is 38.

The square root of 1959563 is about 1399.8439198711. The cubic root of 1959563 is about 125.1371933687.

The spelling of 1959563 in words is "one million, nine hundred fifty-nine thousand, five hundred sixty-three".