89538523 has 2 divisors, whose sum is σ = 89538524. Its totient is φ = 89538522.

The previous prime is 89538487. The next prime is 89538529. The reversal of 89538523 is 32583598.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89538523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89538523.

It is not a weakly prime, because it can be changed into another prime (89538529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44769261 + 44769262.

It is an arithmetic number, because the mean of its divisors is an integer number (44769262).

Almost surely, 2^89538523 is an apocalyptic number.

89538523 is a deficient number, since it is larger than the sum of its proper divisors (1).

89538523 is an equidigital number, since it uses as much as digits as its factorization.

89538523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 43.

The square root of 89538523 is about 9462.4797489876. The cubic root of 89538523 is about 447.3732116908.

The spelling of 89538523 in words is "eighty-nine million, five hundred thirty-eight thousand, five hundred twenty-three".