90247503 has 8 divisors (see below), whose sum is σ = 120428928. Its totient is φ = 60115544.

The previous prime is 90247489. The next prime is 90247523. The reversal of 90247503 is 30574209.

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

It is a cyclic number.

It is not a de Polignac number, because 90247503 - 2⁵ = 90247471 is a prime.

It is a super-2 number, since 2×90247503² = 16289223595470018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90247523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7875 + ... + 15572.

It is an arithmetic number, because the mean of its divisors is an integer number (15053616).

Almost surely, 2^90247503 is an apocalyptic number.

90247503 is a deficient number, since it is larger than the sum of its proper divisors (30181425).

90247503 is a wasteful number, since it uses less digits than its factorization.

90247503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24733.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 90247503 is about 9499.8685780383. The cubic root of 90247503 is about 448.5508990728.

The spelling of 90247503 in words is "ninety million, two hundred forty-seven thousand, five hundred three".