1415563 has 4 divisors (see below), whose sum is σ = 1417968. Its totient is φ = 1413160.

The previous prime is 1415507. The next prime is 1415567. The reversal of 1415563 is 3655141.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1415563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1415567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345 + ... + 1717.

It is an arithmetic number, because the mean of its divisors is an integer number (354492).

2^1415563 is an apocalyptic number.

1415563 is a deficient number, since it is larger than the sum of its proper divisors (2405).

1415563 is a wasteful number, since it uses less digits than its factorization.

1415563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404.

The product of its digits is 1800, while the sum is 25.

The square root of 1415563 is about 1189.7743483535. The cubic root of 1415563 is about 112.2818951266.

The spelling of 1415563 in words is "one million, four hundred fifteen thousand, five hundred sixty-three".