90524803 has 4 divisors (see below), whose sum is σ = 94460688. Its totient is φ = 86588920.

The previous prime is 90524771. The next prime is 90524807. The reversal of 90524803 is 30842509.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30842509 = 131 ⋅235439.

It is a cyclic number.

It is not a de Polignac number, because 90524803 - 2⁵ = 90524771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90524807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1967908 + ... + 1967953.

It is an arithmetic number, because the mean of its divisors is an integer number (23615172).

Almost surely, 2^90524803 is an apocalyptic number.

90524803 is a deficient number, since it is larger than the sum of its proper divisors (3935885).

90524803 is a wasteful number, since it uses less digits than its factorization.

90524803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935884.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 90524803 is about 9514.4523226511. The cubic root of 90524803 is about 449.0098443120.

The spelling of 90524803 in words is "ninety million, five hundred twenty-four thousand, eight hundred three".