90256063 has 2 divisors, whose sum is σ = 90256064. Its totient is φ = 90256062.

The previous prime is 90256037. The next prime is 90256069. The reversal of 90256063 is 36065209.

It is a strong prime.

It is an emirp because it is prime and its reverse (36065209) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90256063 - 2⁵ = 90256031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90256069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45128031 + 45128032.

It is an arithmetic number, because the mean of its divisors is an integer number (45128032).

Almost surely, 2^90256063 is an apocalyptic number.

90256063 is a deficient number, since it is larger than the sum of its proper divisors (1).

90256063 is an equidigital number, since it uses as much as digits as its factorization.

90256063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 90256063 is about 9500.3190999040. The cubic root of 90256063 is about 448.5650803490.

It can be divided in two parts, 902 and 56063, that added together give a palindrome (56965).

The spelling of 90256063 in words is "ninety million, two hundred fifty-six thousand, sixty-three".