194250797 has 6 divisors (see below), whose sum is σ = 210342762. Its totient is φ = 179308272.

The previous prime is 194250781. The next prime is 194250799. The reversal of 194250797 is 797052491.

It can be written as a sum of positive squares in 3 ways, for example, as 4748041 + 189502756 = 2179^2 + 13766^2 .

It is not a de Polignac number, because 194250797 - 2⁴ = 194250781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194250799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 574538 + ... + 574875.

It is an arithmetic number, because the mean of its divisors is an integer number (35057127).

Almost surely, 2^194250797 is an apocalyptic number.

It is an amenable number.

194250797 is a deficient number, since it is larger than the sum of its proper divisors (16091965).

194250797 is a wasteful number, since it uses less digits than its factorization.

194250797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149439 (or 1149426 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 194250797 is about 13937.3884569528. The cubic root of 194250797 is about 579.1453892177.

The spelling of 194250797 in words is "one hundred ninety-four million, two hundred fifty thousand, seven hundred ninety-seven".