890013017 has 2 divisors, whose sum is σ = 890013018. Its totient is φ = 890013016.

The previous prime is 890013001. The next prime is 890013023. The reversal of 890013017 is 710310098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 482417296 + 407595721 = 21964^2 + 20189^2 .

It is a cyclic number.

It is not a de Polignac number, because 890013017 - 2⁴ = 890013001 is a prime.

It is equal to p_45525053 and since 890013017 and 45525053 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (890013077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445006508 + 445006509.

It is an arithmetic number, because the mean of its divisors is an integer number (445006509).

Almost surely, 2^890013017 is an apocalyptic number.

It is an amenable number.

890013017 is a deficient number, since it is larger than the sum of its proper divisors (1).

890013017 is an equidigital number, since it uses as much as digits as its factorization.

890013017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 890013017 is about 29833.0859449706. The cubic root of 890013017 is about 961.9048611184.

The spelling of 890013017 in words is "eight hundred ninety million, thirteen thousand, seventeen".