545102563 has 4 divisors (see below), whose sum is σ = 545739480. Its totient is φ = 544465648.

The previous prime is 545102549. The next prime is 545102581. The reversal of 545102563 is 365201545.

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 545102563 - 2¹⁷ = 544971491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545102513) 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, 317173 + ... + 318886.

It is an arithmetic number, because the mean of its divisors is an integer number (136434870).

Almost surely, 2^545102563 is an apocalyptic number.

545102563 is a deficient number, since it is larger than the sum of its proper divisors (636917).

545102563 is an equidigital number, since it uses as much as digits as its factorization.

545102563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636916.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 545102563 is about 23347.4316146338. The cubic root of 545102563 is about 816.8821533451.

The spelling of 545102563 in words is "five hundred forty-five million, one hundred two thousand, five hundred sixty-three".