8538545 has 4 divisors (see below), whose sum is σ = 10246260. Its totient is φ = 6830832.

The previous prime is 8538533. The next prime is 8538587. The reversal of 8538545 is 5458358.

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 1270129 + 7268416 = 1127^2 + 2696^2 .

It is a cyclic number.

It is not a de Polignac number, because 8538545 - 2⁴ = 8538529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8538499 and 8538508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853850 + ... + 853859.

It is an arithmetic number, because the mean of its divisors is an integer number (2561565).

Almost surely, 2^8538545 is an apocalyptic number.

It is an amenable number.

8538545 is a deficient number, since it is larger than the sum of its proper divisors (1707715).

8538545 is a wasteful number, since it uses less digits than its factorization.

8538545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707714.

The product of its digits is 96000, while the sum is 38.

The square root of 8538545 is about 2922.0788832610. The cubic root of 8538545 is about 204.3907750607.

The spelling of 8538545 in words is "eight million, five hundred thirty-eight thousand, five hundred forty-five".