421327563 has 8 divisors (see below), whose sum is σ = 562925568. Its totient is φ = 280307304.

The previous prime is 421327531. The next prime is 421327567. The reversal of 421327563 is 365723124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421327563 - 2⁵ = 421327531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421327567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142731 + ... + 145652.

It is an arithmetic number, because the mean of its divisors is an integer number (70365696).

Almost surely, 2^421327563 is an apocalyptic number.

421327563 is a deficient number, since it is larger than the sum of its proper divisors (141598005).

421327563 is a wasteful number, since it uses less digits than its factorization.

421327563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288873.

The product of its digits is 30240, while the sum is 33.

The square root of 421327563 is about 20526.2651985207. The cubic root of 421327563 is about 749.6754524677.

The spelling of 421327563 in words is "four hundred twenty-one million, three hundred twenty-seven thousand, five hundred sixty-three".