89210549 has 2 divisors, whose sum is σ = 89210550. Its totient is φ = 89210548.

The previous prime is 89210533. The next prime is 89210551. The reversal of 89210549 is 94501298.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58629649 + 30580900 = 7657^2 + 5530^2 .

It is a cyclic number.

It is not a de Polignac number, because 89210549 - 2⁴ = 89210533 is a prime.

It is a Sophie Germain prime.

Together with 89210551, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89210579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44605274 + 44605275.

It is an arithmetic number, because the mean of its divisors is an integer number (44605275).

Almost surely, 2^89210549 is an apocalyptic number.

It is an amenable number.

89210549 is a deficient number, since it is larger than the sum of its proper divisors (1).

89210549 is an equidigital number, since it uses as much as digits as its factorization.

89210549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 89210549 is about 9445.1336147246. The cubic root of 89210549 is about 446.8263100422.

The spelling of 89210549 in words is "eighty-nine million, two hundred ten thousand, five hundred forty-nine".