201305400563 has 4 divisors (see below), whose sum is σ = 205588494240. Its totient is φ = 197022306888.

The previous prime is 201305400553. The next prime is 201305400589. The reversal of 201305400563 is 365004503102.

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 201305400563 - 2²⁶ = 201238291699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201305400503) 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, 2141546768 + ... + 2141546861.

It is an arithmetic number, because the mean of its divisors is an integer number (51397123560).

Almost surely, 2^201305400563 is an apocalyptic number.

201305400563 is a deficient number, since it is larger than the sum of its proper divisors (4283093677).

201305400563 is an equidigital number, since it uses as much as digits as its factorization.

201305400563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283093676.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 201305400563 its reverse (365004503102), we get a palindrome (566309903665).

The spelling of 201305400563 in words is "two hundred one billion, three hundred five million, four hundred thousand, five hundred sixty-three".