108391601 has 2 divisors, whose sum is σ = 108391602. Its totient is φ = 108391600.

The previous prime is 108391573. The next prime is 108391607. The reversal of 108391601 is 106193801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83631025 + 24760576 = 9145^2 + 4976^2 .

It is a cyclic number.

It is not a de Polignac number, because 108391601 - 2¹⁰ = 108390577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108391607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54195800 + 54195801.

It is an arithmetic number, because the mean of its divisors is an integer number (54195801).

Almost surely, 2^108391601 is an apocalyptic number.

It is an amenable number.

108391601 is a deficient number, since it is larger than the sum of its proper divisors (1).

108391601 is an equidigital number, since it uses as much as digits as its factorization.

108391601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 108391601 is about 10411.1287092226. The cubic root of 108391601 is about 476.7952026476.

The spelling of 108391601 in words is "one hundred eight million, three hundred ninety-one thousand, six hundred one".