14642563 has 4 divisors (see below), whose sum is σ = 15768928. Its totient is φ = 13516200.

The previous prime is 14642557. The next prime is 14642567. The reversal of 14642563 is 36524641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36524641 = 5683 ⋅6427.

It is a cyclic number.

It is not a de Polignac number, because 14642563 - 2⁵ = 14642531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14642567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563163 + ... + 563188.

It is an arithmetic number, because the mean of its divisors is an integer number (3942232).

Almost surely, 2^14642563 is an apocalyptic number.

14642563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

14642563 is a deficient number, since it is larger than the sum of its proper divisors (1126365).

14642563 is a wasteful number, since it uses less digits than its factorization.

14642563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126364.

The product of its digits is 17280, while the sum is 31.

The square root of 14642563 is about 3826.5602046747. The cubic root of 14642563 is about 244.6465150896.

The spelling of 14642563 in words is "fourteen million, six hundred forty-two thousand, five hundred sixty-three".