8201194425 has 18 divisors (see below), whose sum is σ = 14689250862. Its totient is φ = 4373970240.

The previous prime is 8201194381. The next prime is 8201194457. The reversal of 8201194425 is 5244911028.

8201194425 is a `hidden beast` number, since 8 + 201 + 1 + 9 + 442 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1592967744 + 6608226681 = 39912^2 + 81291^2 .

It is not a de Polignac number, because 8201194425 - 2⁶ = 8201194361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8201194425.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18224652 + ... + 18225101.

Almost surely, 2^8201194425 is an apocalyptic number.

It is an amenable number.

8201194425 is a deficient number, since it is larger than the sum of its proper divisors (6488056437).

8201194425 is a wasteful number, since it uses less digits than its factorization.

8201194425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36449769 (or 36449761 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 8201194425 is about 90560.4462500048. The cubic root of 8201194425 is about 2016.6275807677.

The spelling of 8201194425 in words is "eight billion, two hundred one million, one hundred ninety-four thousand, four hundred twenty-five".