90534065 has 8 divisors (see below), whose sum is σ = 110422248. Its totient is φ = 71239680.

The previous prime is 90534053. The next prime is 90534071. The reversal of 90534065 is 56043509.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5230369 + 85303696 = 2287^2 + 9236^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90534065 - 2⁶ = 90534001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 148112 + ... + 148721.

It is an arithmetic number, because the mean of its divisors is an integer number (13802781).

Almost surely, 2^90534065 is an apocalyptic number.

It is an amenable number.

90534065 is a deficient number, since it is larger than the sum of its proper divisors (19888183).

90534065 is a wasteful number, since it uses less digits than its factorization.

90534065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296899.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 90534065 is about 9514.9390434201. The cubic root of 90534065 is about 449.0251571958.

The spelling of 90534065 in words is "ninety million, five hundred thirty-four thousand, sixty-five".