389170541 has 2 divisors, whose sum is σ = 389170542. Its totient is φ = 389170540.

The previous prime is 389170493. The next prime is 389170543. The reversal of 389170541 is 145071983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268632100 + 120538441 = 16390^2 + 10979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389170541 is a prime.

Together with 389170543, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 389170495 and 389170504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389170543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194585270 + 194585271.

It is an arithmetic number, because the mean of its divisors is an integer number (194585271).

Almost surely, 2^389170541 is an apocalyptic number.

It is an amenable number.

389170541 is a deficient number, since it is larger than the sum of its proper divisors (1).

389170541 is an equidigital number, since it uses as much as digits as its factorization.

389170541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 389170541 is about 19727.4058355375. The cubic root of 389170541 is about 730.0960285257.

The spelling of 389170541 in words is "three hundred eighty-nine million, one hundred seventy thousand, five hundred forty-one".