563273387 has 4 divisors (see below), whose sum is σ = 563393040. Its totient is φ = 563153736.

The previous prime is 563273377. The next prime is 563273401. The reversal of 563273387 is 783372365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783372365 = 5 ⋅156674473.

It is a cyclic number.

It is not a de Polignac number, because 563273387 - 2⁶ = 563273323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563273327) 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, 52463 + ... + 62280.

It is an arithmetic number, because the mean of its divisors is an integer number (140848260).

Almost surely, 2^563273387 is an apocalyptic number.

563273387 is a deficient number, since it is larger than the sum of its proper divisors (119653).

563273387 is a wasteful number, since it uses less digits than its factorization.

563273387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119652.

The product of its digits is 635040, while the sum is 44.

The square root of 563273387 is about 23733.3812803823. The cubic root of 563273387 is about 825.8599600974.

The spelling of 563273387 in words is "five hundred sixty-three million, two hundred seventy-three thousand, three hundred eighty-seven".