14537000561 has 4 divisors (see below), whose sum is σ = 14541329124. Its totient is φ = 14532672000.

The previous prime is 14537000539. The next prime is 14537000573. The reversal of 14537000561 is 16500073541.

14537000561 = 85255² + 85256².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7268585536 + 7268415025 = 85256^2 + 85255^2 .

It is a cyclic number.

It is not a de Polignac number, because 14537000561 - 2²⁶ = 14469891697 is a prime.

It is a super-2 number, since 2×14537000561² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14537000521) 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, 2159240 + ... + 2165961.

It is an arithmetic number, because the mean of its divisors is an integer number (3635332281).

Almost surely, 2^14537000561 is an apocalyptic number.

14537000561 is the 85256-th centered square number.

It is an amenable number.

14537000561 is a deficient number, since it is larger than the sum of its proper divisors (4328563).

14537000561 is an equidigital number, since it uses as much as digits as its factorization.

14537000561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328562.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 14537000561 in words is "fourteen billion, five hundred thirty-seven million, five hundred sixty-one", and thus it is an aban number.