153234197 has 2 divisors, whose sum is σ = 153234198. Its totient is φ = 153234196.

The previous prime is 153234139. The next prime is 153234229. The reversal of 153234197 is 791432351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89378116 + 63856081 = 9454^2 + 7991^2 .

It is an emirp because it is prime and its reverse (791432351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153234197 - 2¹² = 153230101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153239197) 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 as a sum of consecutive naturals, namely, 76617098 + 76617099.

It is an arithmetic number, because the mean of its divisors is an integer number (76617099).

Almost surely, 2^153234197 is an apocalyptic number.

It is an amenable number.

153234197 is a deficient number, since it is larger than the sum of its proper divisors (1).

153234197 is an equidigital number, since it uses as much as digits as its factorization.

153234197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 153234197 is about 12378.7801095261. The cubic root of 153234197 is about 535.1208822257.

The spelling of 153234197 in words is "one hundred fifty-three million, two hundred thirty-four thousand, one hundred ninety-seven".