15314563 has 4 divisors (see below), whose sum is σ = 16706808. Its totient is φ = 13922320.

The previous prime is 15314561. The next prime is 15314617. The reversal of 15314563 is 36541351.

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 15314563 - 2¹ = 15314561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15314561) 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, 696106 + ... + 696127.

It is an arithmetic number, because the mean of its divisors is an integer number (4176702).

Almost surely, 2^15314563 is an apocalyptic number.

15314563 is a deficient number, since it is larger than the sum of its proper divisors (1392245).

15314563 is a wasteful number, since it uses less digits than its factorization.

15314563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392244.

The product of its digits is 5400, while the sum is 28.

The square root of 15314563 is about 3913.3825522175. The cubic root of 15314563 is about 248.3332484522. Note that the first 3 decimals are identical.

The spelling of 15314563 in words is "fifteen million, three hundred fourteen thousand, five hundred sixty-three".