8963551 has 2 divisors, whose sum is σ = 8963552. Its totient is φ = 8963550.

The previous prime is 8963503. The next prime is 8963561. The reversal of 8963551 is 1553698.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8963551 - 2¹⁵ = 8930783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8963551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8963501) 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, 4481775 + 4481776.

It is an arithmetic number, because the mean of its divisors is an integer number (4481776).

Almost surely, 2^8963551 is an apocalyptic number.

8963551 is a deficient number, since it is larger than the sum of its proper divisors (1).

8963551 is an equidigital number, since it uses as much as digits as its factorization.

8963551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 37.

The square root of 8963551 is about 2993.9190035804. The cubic root of 8963551 is about 207.7271987634.

The spelling of 8963551 in words is "eight million, nine hundred sixty-three thousand, five hundred fifty-one".