194250425 has 6 divisors (see below), whose sum is σ = 240870558. Its totient is φ = 155400320.

The previous prime is 194250409. The next prime is 194250431. The reversal of 194250425 is 524052491.

It can be written as a sum of positive squares in 3 ways, for example, as 46895104 + 147355321 = 6848^2 + 12139^2 .

It is not a de Polignac number, because 194250425 - 2⁴ = 194250409 is a prime.

It is a super-2 number, since 2×194250425² = 75466455225361250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194250391 and 194250400.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 3884984 + ... + 3885033.

It is an arithmetic number, because the mean of its divisors is an integer number (40145093).

Almost surely, 2^194250425 is an apocalyptic number.

It is an amenable number.

194250425 is a deficient number, since it is larger than the sum of its proper divisors (46620133).

194250425 is an equidigital number, since it uses as much as digits as its factorization.

194250425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770027 (or 7770022 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 194250425 is about 13937.3751115481. The cubic root of 194250425 is about 579.1450195200.

The spelling of 194250425 in words is "one hundred ninety-four million, two hundred fifty thousand, four hundred twenty-five".