90611359 has 2 divisors, whose sum is σ = 90611360. Its totient is φ = 90611358.

The previous prime is 90611333. The next prime is 90611393. The reversal of 90611359 is 95311609.

It is an a-pointer prime, because the next prime (90611393) can be obtained adding 90611359 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90611359 - 2⁵ = 90611327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90611659) 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, 45305679 + 45305680.

It is an arithmetic number, because the mean of its divisors is an integer number (45305680).

Almost surely, 2^90611359 is an apocalyptic number.

90611359 is a deficient number, since it is larger than the sum of its proper divisors (1).

90611359 is an equidigital number, since it uses as much as digits as its factorization.

90611359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 90611359 is about 9518.9998949469. Note that the first 3 decimals coincide. The cubic root of 90611359 is about 449.1529068191.

The spelling of 90611359 in words is "ninety million, six hundred eleven thousand, three hundred fifty-nine".