1942563 has 8 divisors (see below), whose sum is σ = 2960128. Its totient is φ = 1110024.

The previous prime is 1942547. The next prime is 1942571. The reversal of 1942563 is 3652491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1942563 - 2⁴ = 1942547 is a prime.

It is a Duffinian number.

1942563 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1942563.

It is not an unprimeable number, because it can be changed into a prime (1942543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46231 + ... + 46272.

It is an arithmetic number, because the mean of its divisors is an integer number (370016).

2^1942563 is an apocalyptic number.

1942563 is a deficient number, since it is larger than the sum of its proper divisors (1017565).

1942563 is an equidigital number, since it uses as much as digits as its factorization.

1942563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92513.

The product of its digits is 6480, while the sum is 30.

The square root of 1942563 is about 1393.7585874175. The cubic root of 1942563 is about 124.7742699462.

The spelling of 1942563 in words is "one million, nine hundred forty-two thousand, five hundred sixty-three".