89460521 has 2 divisors, whose sum is σ = 89460522. Its totient is φ = 89460520.

The previous prime is 89460499. The next prime is 89460533. The reversal of 89460521 is 12506498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89113600 + 346921 = 9440^2 + 589^2 .

It is a cyclic number.

It is not a de Polignac number, because 89460521 - 2⁶ = 89460457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89460541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44730260 + 44730261.

It is an arithmetic number, because the mean of its divisors is an integer number (44730261).

Almost surely, 2^89460521 is an apocalyptic number.

It is an amenable number.

89460521 is a deficient number, since it is larger than the sum of its proper divisors (1).

89460521 is an equidigital number, since it uses as much as digits as its factorization.

89460521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 89460521 is about 9458.3572040815. The cubic root of 89460521 is about 447.2432633651.

The spelling of 89460521 in words is "eighty-nine million, four hundred sixty thousand, five hundred twenty-one".