197714287 has 2 divisors, whose sum is σ = 197714288. Its totient is φ = 197714286.

The previous prime is 197714269. The next prime is 197714291. The reversal of 197714287 is 782417791.

It is a strong prime.

It is an emirp because it is prime and its reverse (782417791) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197714287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197711287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98857143 + 98857144.

It is an arithmetic number, because the mean of its divisors is an integer number (98857144).

Almost surely, 2^197714287 is an apocalyptic number.

197714287 is a deficient number, since it is larger than the sum of its proper divisors (1).

197714287 is an equidigital number, since it uses as much as digits as its factorization.

197714287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 46.

The square root of 197714287 is about 14061.0912449923. The cubic root of 197714287 is about 582.5671846224.

The spelling of 197714287 in words is "one hundred ninety-seven million, seven hundred fourteen thousand, two hundred eighty-seven".