90885253 has 2 divisors, whose sum is σ = 90885254. Its totient is φ = 90885252.

The previous prime is 90885251. The next prime is 90885257. The reversal of 90885253 is 35258809.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55100929 + 35784324 = 7423^2 + 5982^2 .

It is a cyclic number.

It is not a de Polignac number, because 90885253 - 2¹ = 90885251 is a prime.

Together with 90885251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90885251) 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, 45442626 + 45442627.

It is an arithmetic number, because the mean of its divisors is an integer number (45442627).

Almost surely, 2^90885253 is an apocalyptic number.

It is an amenable number.

90885253 is a deficient number, since it is larger than the sum of its proper divisors (1).

90885253 is an equidigital number, since it uses as much as digits as its factorization.

90885253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 90885253 is about 9533.3757399989. The cubic root of 90885253 is about 449.6050081260.

It can be divided in two parts, 9088 and 5253, that added together give a palindrome (14341).

The spelling of 90885253 in words is "ninety million, eight hundred eighty-five thousand, two hundred fifty-three".