90524443 has 2 divisors, whose sum is σ = 90524444. Its totient is φ = 90524442.

The previous prime is 90524429. The next prime is 90524471. The reversal of 90524443 is 34442509.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90524443 - 2¹⁷ = 90393371 is a prime.

It is not a weakly prime, because it can be changed into another prime (90524143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45262221 + 45262222.

It is an arithmetic number, because the mean of its divisors is an integer number (45262222).

Almost surely, 2^90524443 is an apocalyptic number.

90524443 is a deficient number, since it is larger than the sum of its proper divisors (1).

90524443 is an equidigital number, since it uses as much as digits as its factorization.

90524443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 90524443 is about 9514.4334040446. The cubic root of 90524443 is about 449.0092491022.

The spelling of 90524443 in words is "ninety million, five hundred twenty-four thousand, four hundred forty-three".