8536538 has 4 divisors (see below), whose sum is σ = 12804810. Its totient is φ = 4268268.

The previous prime is 8536531. The next prime is 8536571. The reversal of 8536538 is 8356358.

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

It can be written as a sum of positive squares in only one way, i.e., 6775609 + 1760929 = 2603^2 + 1327^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8536531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2134133 + ... + 2134136.

Almost surely, 2^8536538 is an apocalyptic number.

8536538 is a deficient number, since it is larger than the sum of its proper divisors (4268272).

8536538 is a wasteful number, since it uses less digits than its factorization.

8536538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268271.

The product of its digits is 86400, while the sum is 38.

The square root of 8536538 is about 2921.7354431913. The cubic root of 8536538 is about 204.3747596689.

The spelling of 8536538 in words is "eight million, five hundred thirty-six thousand, five hundred thirty-eight".