90513485 has 8 divisors (see below), whose sum is σ = 108679416. Its totient is φ = 72368640.

The previous prime is 90513463. The next prime is 90513497. The reversal of 90513485 is 58431509.

It can be written as a sum of positive squares in 4 ways, for example, as 3147076 + 87366409 = 1774^2 + 9347^2 .

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

It is not a de Polignac number, because 90513485 - 2⁶ = 90513421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6617 + ... + 14993.

It is an arithmetic number, because the mean of its divisors is an integer number (13584927).

Almost surely, 2^90513485 is an apocalyptic number.

It is an amenable number.

90513485 is a deficient number, since it is larger than the sum of its proper divisors (18165931).

90513485 is a wasteful number, since it uses less digits than its factorization.

90513485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 90513485 is about 9513.8575246847. The cubic root of 90513485 is about 448.9911308212.

The spelling of 90513485 in words is "ninety million, five hundred thirteen thousand, four hundred eighty-five".