90501329 has 2 divisors, whose sum is σ = 90501330. Its totient is φ = 90501328.

The previous prime is 90501287. The next prime is 90501337. The reversal of 90501329 is 92310509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67240000 + 23261329 = 8200^2 + 4823^2 .

It is a cyclic number.

It is not a de Polignac number, because 90501329 - 2¹² = 90497233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90501529) 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, 45250664 + 45250665.

It is an arithmetic number, because the mean of its divisors is an integer number (45250665).

Almost surely, 2^90501329 is an apocalyptic number.

It is an amenable number.

90501329 is a deficient number, since it is larger than the sum of its proper divisors (1).

90501329 is an equidigital number, since it uses as much as digits as its factorization.

90501329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 90501329 is about 9513.2186456530. The cubic root of 90501329 is about 448.9710300206.

The spelling of 90501329 in words is "ninety million, five hundred one thousand, three hundred twenty-nine".