194828539 has 2 divisors, whose sum is σ = 194828540. Its totient is φ = 194828538.

The previous prime is 194828533. The next prime is 194828549. The reversal of 194828539 is 935828491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194828539 - 2³ = 194828531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194828492 and 194828501.

It is not a weakly prime, because it can be changed into another prime (194828531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97414269 + 97414270.

It is an arithmetic number, because the mean of its divisors is an integer number (97414270).

Almost surely, 2^194828539 is an apocalyptic number.

194828539 is a deficient number, since it is larger than the sum of its proper divisors (1).

194828539 is an equidigital number, since it uses as much as digits as its factorization.

194828539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 49.

The square root of 194828539 is about 13958.0994050050. The cubic root of 194828539 is about 579.7189869375.

The spelling of 194828539 in words is "one hundred ninety-four million, eight hundred twenty-eight thousand, five hundred thirty-nine".