194471125 has 16 divisors (see below), whose sum is σ = 243328176. Its totient is φ = 155174400.

The previous prime is 194471117. The next prime is 194471131. The reversal of 194471125 is 521174491.

It can be written as a sum of positive squares in 8 ways, for example, as 123254404 + 71216721 = 11102^2 + 8439^2 .

It is not a de Polignac number, because 194471125 - 2³ = 194471117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52329 + ... + 55921.

It is an arithmetic number, because the mean of its divisors is an integer number (15208011).

Almost surely, 2^194471125 is an apocalyptic number.

It is an amenable number.

194471125 is a deficient number, since it is larger than the sum of its proper divisors (48857051).

194471125 is an equidigital number, since it uses as much as digits as its factorization.

194471125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041 (or 4031 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 194471125 is about 13945.2904236520. The cubic root of 194471125 is about 579.3642707422.

The spelling of 194471125 in words is "one hundred ninety-four million, four hundred seventy-one thousand, one hundred twenty-five".