90336529 has 2 divisors, whose sum is σ = 90336530. Its totient is φ = 90336528.

The previous prime is 90336527. The next prime is 90336541. The reversal of 90336529 is 92563309.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60031504 + 30305025 = 7748^2 + 5505^2 .

It is an emirp because it is prime and its reverse (92563309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90336529 - 2¹ = 90336527 is a prime.

Together with 90336527, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90336523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45168264 + 45168265.

It is an arithmetic number, because the mean of its divisors is an integer number (45168265).

Almost surely, 2^90336529 is an apocalyptic number.

It is an amenable number.

90336529 is a deficient number, since it is larger than the sum of its proper divisors (1).

90336529 is an equidigital number, since it uses as much as digits as its factorization.

90336529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 90336529 is about 9504.5530668201. The cubic root of 90336529 is about 448.6983438496.

The spelling of 90336529 in words is "ninety million, three hundred thirty-six thousand, five hundred twenty-nine".