198370541 has 2 divisors, whose sum is σ = 198370542. Its totient is φ = 198370540.

The previous prime is 198370489. The next prime is 198370547. The reversal of 198370541 is 145073891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197514916 + 855625 = 14054^2 + 925^2 .

It is a cyclic number.

It is not a de Polignac number, because 198370541 - 2¹⁰ = 198369517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 198370495 and 198370504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198370547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99185270 + 99185271.

It is an arithmetic number, because the mean of its divisors is an integer number (99185271).

Almost surely, 2^198370541 is an apocalyptic number.

It is an amenable number.

198370541 is a deficient number, since it is larger than the sum of its proper divisors (1).

198370541 is an equidigital number, since it uses as much as digits as its factorization.

198370541 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 198370541 is about 14084.4077262766. The cubic root of 198370541 is about 583.2110258587.

The spelling of 198370541 in words is "one hundred ninety-eight million, three hundred seventy thousand, five hundred forty-one".