108405629 has 2 divisors, whose sum is σ = 108405630. Its totient is φ = 108405628.

The previous prime is 108405613. The next prime is 108405631. The reversal of 108405629 is 926504801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105616729 + 2788900 = 10277^2 + 1670^2 .

It is an emirp because it is prime and its reverse (926504801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108405629 - 2⁴ = 108405613 is a prime.

Together with 108405631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108005629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54202814 + 54202815.

It is an arithmetic number, because the mean of its divisors is an integer number (54202815).

Almost surely, 2^108405629 is an apocalyptic number.

It is an amenable number.

108405629 is a deficient number, since it is larger than the sum of its proper divisors (1).

108405629 is an equidigital number, since it uses as much as digits as its factorization.

108405629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 108405629 is about 10411.8023895961. The cubic root of 108405629 is about 476.8157706453.

The spelling of 108405629 in words is "one hundred eight million, four hundred five thousand, six hundred twenty-nine".