9154961 has 2 divisors, whose sum is σ = 9154962. Its totient is φ = 9154960.

The previous prime is 9154939. The next prime is 9154963. The reversal of 9154961 is 1694519.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4596736 + 4558225 = 2144^2 + 2135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9154961 is a prime.

It is a Sophie Germain prime.

Together with 9154963, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9154963) 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 as a sum of consecutive naturals, namely, 4577480 + 4577481.

It is an arithmetic number, because the mean of its divisors is an integer number (4577481).

Almost surely, 2^9154961 is an apocalyptic number.

It is an amenable number.

9154961 is a deficient number, since it is larger than the sum of its proper divisors (1).

9154961 is an equidigital number, since it uses as much as digits as its factorization.

9154961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 35.

The square root of 9154961 is about 3025.7166093341. The cubic root of 9154961 is about 209.1954171436.

The spelling of 9154961 in words is "nine million, one hundred fifty-four thousand, nine hundred sixty-one".