255000197 has 8 divisors (see below), whose sum is σ = 274968960. Its totient is φ = 235686240.

The previous prime is 255000181. The next prime is 255000211. The reversal of 255000197 is 791000552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255000197 - 2⁴ = 255000181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255000107) by changing a digit.

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, 162893 + ... + 164450.

It is an arithmetic number, because the mean of its divisors is an integer number (34371120).

Almost surely, 2^255000197 is an apocalyptic number.

It is an amenable number.

255000197 is a deficient number, since it is larger than the sum of its proper divisors (19968763).

255000197 is a wasteful number, since it uses less digits than its factorization.

255000197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327403.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 255000197 is about 15968.7255909794. The cubic root of 255000197 is about 634.1327338380.

The spelling of 255000197 in words is "two hundred fifty-five million, one hundred ninety-seven", and thus it is an aban number.