193264625 has 8 divisors (see below), whose sum is σ = 241194408. Its totient is φ = 154611600.

The previous prime is 193264609. The next prime is 193264639. The reversal of 193264625 is 526462391.

It can be written as a sum of positive squares in 4 ways, for example, as 18601969 + 174662656 = 4313^2 + 13216^2 .

It is not a de Polignac number, because 193264625 - 2⁴ = 193264609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772934 + ... + 773183.

It is an arithmetic number, because the mean of its divisors is an integer number (30149301).

Almost surely, 2^193264625 is an apocalyptic number.

It is an amenable number.

193264625 is a deficient number, since it is larger than the sum of its proper divisors (47929783).

193264625 is an equidigital number, since it uses as much as digits as its factorization.

193264625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546132 (or 1546122 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 193264625 is about 13901.9647891944. The cubic root of 193264625 is about 578.1636579945.

The spelling of 193264625 in words is "one hundred ninety-three million, two hundred sixty-four thousand, six hundred twenty-five".