90503275 has 24 divisors (see below), whose sum is σ = 118278144. Its totient is φ = 68560800.

The previous prime is 90503267. The next prime is 90503279. The reversal of 90503275 is 57230509.

It is a happy number.

It is not a de Polignac number, because 90503275 - 2³ = 90503267 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (90503279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60790 + ... + 62260.

It is an arithmetic number, because the mean of its divisors is an integer number (4928256).

Almost surely, 2^90503275 is an apocalyptic number.

90503275 is a deficient number, since it is larger than the sum of its proper divisors (27774869).

90503275 is a wasteful number, since it uses less digits than its factorization.

90503275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 90503275 is about 9513.3209238415. The cubic root of 90503275 is about 448.9742479894.

The spelling of 90503275 in words is "ninety million, five hundred three thousand, two hundred seventy-five".