108538429 has 2 divisors, whose sum is σ = 108538430. Its totient is φ = 108538428.

The previous prime is 108538411. The next prime is 108538453. The reversal of 108538429 is 924835801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84548025 + 23990404 = 9195^2 + 4898^2 .

It is an emirp because it is prime and its reverse (924835801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108538429 - 2²³ = 100149821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108538391 and 108538400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108538499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54269214 + 54269215.

It is an arithmetic number, because the mean of its divisors is an integer number (54269215).

Almost surely, 2^108538429 is an apocalyptic number.

It is an amenable number.

108538429 is a deficient number, since it is larger than the sum of its proper divisors (1).

108538429 is an equidigital number, since it uses as much as digits as its factorization.

108538429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 108538429 is about 10418.1778157219. The cubic root of 108538429 is about 477.0103955179.

The spelling of 108538429 in words is "one hundred eight million, five hundred thirty-eight thousand, four hundred twenty-nine".