8542969 has 4 divisors (see below), whose sum is σ = 8670544. Its totient is φ = 8415396.

The previous prime is 8542943. The next prime is 8542973. The reversal of 8542969 is 9692458.

8542969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8542969 - 2¹¹ = 8540921 is a prime.

It is a super-2 number, since 2×8542969² = 145964638669922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8542979) 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, 63687 + ... + 63820.

It is an arithmetic number, because the mean of its divisors is an integer number (2167636).

Almost surely, 2^8542969 is an apocalyptic number.

8542969 is the 1688-th hex number.

It is an amenable number.

8542969 is a deficient number, since it is larger than the sum of its proper divisors (127575).

8542969 is a wasteful number, since it uses less digits than its factorization.

8542969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127574.

The product of its digits is 155520, while the sum is 43.

The square root of 8542969 is about 2922.8357805392. The cubic root of 8542969 is about 204.4260686877.

The spelling of 8542969 in words is "eight million, five hundred forty-two thousand, nine hundred sixty-nine".