194528371 has 2 divisors, whose sum is σ = 194528372. Its totient is φ = 194528370.

The previous prime is 194528353. The next prime is 194528387. The reversal of 194528371 is 173825491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 194528371 - 2⁵ = 194528339 is a prime.

It is not a weakly prime, because it can be changed into another prime (194528311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97264185 + 97264186.

It is an arithmetic number, because the mean of its divisors is an integer number (97264186).

Almost surely, 2^194528371 is an apocalyptic number.

194528371 is a deficient number, since it is larger than the sum of its proper divisors (1).

194528371 is an equidigital number, since it uses as much as digits as its factorization.

194528371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The square root of 194528371 is about 13947.3427935216. The cubic root of 194528371 is about 579.4211138566.

The spelling of 194528371 in words is "one hundred ninety-four million, five hundred twenty-eight thousand, three hundred seventy-one".