108550397 has 2 divisors, whose sum is σ = 108550398. Its totient is φ = 108550396.

The previous prime is 108550391. The next prime is 108550441. The reversal of 108550397 is 793055801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101888836 + 6661561 = 10094^2 + 2581^2 .

It is a cyclic number.

It is not a de Polignac number, because 108550397 - 2⁴ = 108550381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108550397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108550391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54275198 + 54275199.

It is an arithmetic number, because the mean of its divisors is an integer number (54275199).

Almost surely, 2^108550397 is an apocalyptic number.

It is an amenable number.

108550397 is a deficient number, since it is larger than the sum of its proper divisors (1).

108550397 is an equidigital number, since it uses as much as digits as its factorization.

108550397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 108550397 is about 10418.7521805637. The cubic root of 108550397 is about 477.0279274054.

The spelling of 108550397 in words is "one hundred eight million, five hundred fifty thousand, three hundred ninety-seven".