108418381 has 2 divisors, whose sum is σ = 108418382. Its totient is φ = 108418380.

The previous prime is 108418369. The next prime is 108418393. The reversal of 108418381 is 183814801.

It is a balanced prime because it is at equal distance from previous prime (108418369) and next prime (108418393).

It can be written as a sum of positive squares in only one way, i.e., 60684100 + 47734281 = 7790^2 + 6909^2 .

It is an emirp because it is prime and its reverse (183814801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108418381 - 2¹³ = 108410189 is a prime.

It is a super-2 number, since 2×108418381² = 23509090677322322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108418361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54209190 + 54209191.

It is an arithmetic number, because the mean of its divisors is an integer number (54209191).

Almost surely, 2^108418381 is an apocalyptic number.

It is an amenable number.

108418381 is a deficient number, since it is larger than the sum of its proper divisors (1).

108418381 is an equidigital number, since it uses as much as digits as its factorization.

108418381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 108418381 is about 10412.4147535526. The cubic root of 108418381 is about 476.8344662191.

The spelling of 108418381 in words is "one hundred eight million, four hundred eighteen thousand, three hundred eighty-one".