194051125 has 16 divisors (see below), whose sum is σ = 248727024. Its totient is φ = 151041600.

The previous prime is 194051113. The next prime is 194051129. The reversal of 194051125 is 521150491.

It can be written as a sum of positive squares in 8 ways, for example, as 23435281 + 170615844 = 4841^2 + 13062^2 .

It is not a de Polignac number, because 194051125 - 2²¹ = 191953973 is a prime.

It is a super-2 number, since 2×194051125² = 75311678227531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 194051093 and 194051102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194051129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16354 + ... + 25603.

It is an arithmetic number, because the mean of its divisors is an integer number (15545439).

Almost surely, 2^194051125 is an apocalyptic number.

It is an amenable number.

194051125 is a deficient number, since it is larger than the sum of its proper divisors (54675899).

194051125 is an equidigital number, since it uses as much as digits as its factorization.

194051125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42009 (or 41999 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 194051125 is about 13930.2234368297. The cubic root of 194051125 is about 578.9468850764.

The spelling of 194051125 in words is "one hundred ninety-four million, fifty-one thousand, one hundred twenty-five".