901285663 has 2 divisors, whose sum is σ = 901285664. Its totient is φ = 901285662.

The previous prime is 901285639. The next prime is 901285673. The reversal of 901285663 is 366582109.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 901285663 - 2⁵ = 901285631 is a prime.

It is equal to p_46071769 and since 901285663 and 46071769 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (901285673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450642831 + 450642832.

It is an arithmetic number, because the mean of its divisors is an integer number (450642832).

Almost surely, 2^901285663 is an apocalyptic number.

901285663 is a deficient number, since it is larger than the sum of its proper divisors (1).

901285663 is an equidigital number, since it uses as much as digits as its factorization.

901285663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 901285663 is about 30021.4200696769. The cubic root of 901285663 is about 965.9489043755.

The spelling of 901285663 in words is "nine hundred one million, two hundred eighty-five thousand, six hundred sixty-three".