7545572563 has 4 divisors (see below), whose sum is σ = 7560000568. Its totient is φ = 7531144560.

The previous prime is 7545572561. The next prime is 7545572569. The reversal of 7545572563 is 3652755457.

It is a happy number.

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 7545572563 - 2¹ = 7545572561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7545572561) 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, 7213218 + ... + 7214263.

It is an arithmetic number, because the mean of its divisors is an integer number (1890000142).

Almost surely, 2^7545572563 is an apocalyptic number.

7545572563 is a deficient number, since it is larger than the sum of its proper divisors (14428005).

7545572563 is a wasteful number, since it uses less digits than its factorization.

7545572563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14428004.

The product of its digits is 4410000, while the sum is 49.

The square root of 7545572563 is about 86865.2552117358. The cubic root of 7545572563 is about 1961.3904962732.

The spelling of 7545572563 in words is "seven billion, five hundred forty-five million, five hundred seventy-two thousand, five hundred sixty-three".