1564315063 has 4 divisors (see below), whose sum is σ = 1564590528. Its totient is φ = 1564039600.

The previous prime is 1564315033. The next prime is 1564315099. The reversal of 1564315063 is 3605134651.

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 1564315063 - 2¹³ = 1564306871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1564315003) 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, 129031 + ... + 140632.

It is an arithmetic number, because the mean of its divisors is an integer number (391147632).

Almost surely, 2^1564315063 is an apocalyptic number.

1564315063 is a deficient number, since it is larger than the sum of its proper divisors (275465).

1564315063 is an equidigital number, since it uses as much as digits as its factorization.

1564315063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275464.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1564315063 is about 39551.4230211759. The cubic root of 1564315063 is about 1160.8463559269.

The spelling of 1564315063 in words is "one billion, five hundred sixty-four million, three hundred fifteen thousand, sixty-three".