108369581 has 2 divisors, whose sum is σ = 108369582. Its totient is φ = 108369580.

The previous prime is 108369571. The next prime is 108369623. The reversal of 108369581 is 185963801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105904681 + 2464900 = 10291^2 + 1570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108369581 is a prime.

It is a super-2 number, since 2×108369581² = 23487932172231122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108369571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54184790 + 54184791.

It is an arithmetic number, because the mean of its divisors is an integer number (54184791).

Almost surely, 2^108369581 is an apocalyptic number.

It is an amenable number.

108369581 is a deficient number, since it is larger than the sum of its proper divisors (1).

108369581 is an equidigital number, since it uses as much as digits as its factorization.

108369581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 108369581 is about 10410.0711332824. The cubic root of 108369581 is about 476.7629131181.

The spelling of 108369581 in words is "one hundred eight million, three hundred sixty-nine thousand, five hundred eighty-one".