8542961 has 4 divisors (see below), whose sum is σ = 9763392. Its totient is φ = 7322532.

The previous prime is 8542943. The next prime is 8542973. The reversal of 8542961 is 1692458.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1692458 = 2 ⋅846229.

It is not a de Polignac number, because 8542961 - 2¹⁴ = 8526577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8542561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610205 + ... + 610218.

It is an arithmetic number, because the mean of its divisors is an integer number (2440848).

Almost surely, 2^8542961 is an apocalyptic number.

It is an amenable number.

8542961 is a deficient number, since it is larger than the sum of its proper divisors (1220431).

8542961 is a wasteful number, since it uses less digits than its factorization.

8542961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220430.

The product of its digits is 17280, while the sum is 35.

The square root of 8542961 is about 2922.8344120049. The cubic root of 8542961 is about 204.4260048766.

The spelling of 8542961 in words is "eight million, five hundred forty-two thousand, nine hundred sixty-one".