250500197 has 2 divisors, whose sum is σ = 250500198. Its totient is φ = 250500196.

The previous prime is 250500191. The next prime is 250500233. The reversal of 250500197 is 791005052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151019521 + 99480676 = 12289^2 + 9974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250500197 is a prime.

It is equal to p_13705157 and since 250500197 and 13705157 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250500191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125250098 + 125250099.

It is an arithmetic number, because the mean of its divisors is an integer number (125250099).

Almost surely, 2^250500197 is an apocalyptic number.

It is an amenable number.

250500197 is a deficient number, since it is larger than the sum of its proper divisors (1).

250500197 is an equidigital number, since it uses as much as digits as its factorization.

250500197 is an evil number, because the sum of its binary digits is even.

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

The square root of 250500197 is about 15827.1980148098. The cubic root of 250500197 is about 630.3803842083.

The spelling of 250500197 in words is "two hundred fifty million, five hundred thousand, one hundred ninety-seven".