194755265 has 12 divisors (see below), whose sum is σ = 237273876. Its totient is φ = 153461088.

The previous prime is 194755261. The next prime is 194755273. The reversal of 194755265 is 562557491.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 60403984 + 134351281 = 7772^2 + 11591^2 .

It is not a de Polignac number, because 194755265 - 2² = 194755261 is a prime.

It is a super-2 number, since 2×194755265² = 75859226490440450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194755261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18107 + ... + 26783.

It is an arithmetic number, because the mean of its divisors is an integer number (19772823).

Almost surely, 2^194755265 is an apocalyptic number.

It is an amenable number.

194755265 is a deficient number, since it is larger than the sum of its proper divisors (42518611).

194755265 is an frugal number, since it uses more digits than its factorization.

194755265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8816 (or 8749 counting only the distinct ones).

The product of its digits is 378000, while the sum is 44.

The square root of 194755265 is about 13955.4743738792. The cubic root of 194755265 is about 579.6463013927.

The spelling of 194755265 in words is "one hundred ninety-four million, seven hundred fifty-five thousand, two hundred sixty-five".