232151197 has 2 divisors, whose sum is σ = 232151198. Its totient is φ = 232151196.

The previous prime is 232151191. The next prime is 232151233. The reversal of 232151197 is 791151232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219662041 + 12489156 = 14821^2 + 3534^2 .

It is a cyclic number.

It is not a de Polignac number, because 232151197 - 2¹⁹ = 231626909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232151191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116075598 + 116075599.

It is an arithmetic number, because the mean of its divisors is an integer number (116075599).

Almost surely, 2^232151197 is an apocalyptic number.

It is an amenable number.

232151197 is a deficient number, since it is larger than the sum of its proper divisors (1).

232151197 is an equidigital number, since it uses as much as digits as its factorization.

232151197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 31.

The square root of 232151197 is about 15236.5086880164. The cubic root of 232151197 is about 614.5968203704.

The spelling of 232151197 in words is "two hundred thirty-two million, one hundred fifty-one thousand, one hundred ninety-seven".