108740549 has 2 divisors, whose sum is σ = 108740550. Its totient is φ = 108740548.

The previous prime is 108740543. The next prime is 108740579. The reversal of 108740549 is 945047801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108472225 + 268324 = 10415^2 + 518^2 .

It is an emirp because it is prime and its reverse (945047801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108740549 - 2¹⁶ = 108675013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108740543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54370274 + 54370275.

It is an arithmetic number, because the mean of its divisors is an integer number (54370275).

Almost surely, 2^108740549 is an apocalyptic number.

It is an amenable number.

108740549 is a deficient number, since it is larger than the sum of its proper divisors (1).

108740549 is an equidigital number, since it uses as much as digits as its factorization.

108740549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 108740549 is about 10427.8736566953. The cubic root of 108740549 is about 477.3063077798.

The spelling of 108740549 in words is "one hundred eight million, seven hundred forty thousand, five hundred forty-nine".