1363563 has 6 divisors (see below), whose sum is σ = 1969604. Its totient is φ = 909036.

The previous prime is 1363559. The next prime is 1363577. The reversal of 1363563 is 3653631.

It is not a de Polignac number, because 1363563 - 2² = 1363559 is a prime.

It is a Duffinian number.

1363563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1363513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75745 + ... + 75762.

2^1363563 is an apocalyptic number.

1363563 is a deficient number, since it is larger than the sum of its proper divisors (606041).

1363563 is a wasteful number, since it uses less digits than its factorization.

1363563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151513 (or 151510 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 1363563 is about 1167.7170033874. The cubic root of 1363563 is about 110.8898346973.

The spelling of 1363563 in words is "one million, three hundred sixty-three thousand, five hundred sixty-three".