8572961 has 2 divisors, whose sum is σ = 8572962. Its totient is φ = 8572960.

The previous prime is 8572903. The next prime is 8573003. The reversal of 8572961 is 1692758.

8572961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7728400 + 844561 = 2780^2 + 919^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8572961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8574961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4286480 + 4286481.

It is an arithmetic number, because the mean of its divisors is an integer number (4286481).

Almost surely, 2^8572961 is an apocalyptic number.

It is an amenable number.

8572961 is a deficient number, since it is larger than the sum of its proper divisors (1).

8572961 is an equidigital number, since it uses as much as digits as its factorization.

8572961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 38.

The square root of 8572961 is about 2927.9619191513. The cubic root of 8572961 is about 204.6650170632.

The spelling of 8572961 in words is "eight million, five hundred seventy-two thousand, nine hundred sixty-one".