193342397 has 2 divisors, whose sum is σ = 193342398. Its totient is φ = 193342396.

The previous prime is 193342339. The next prime is 193342403. The reversal of 193342397 is 793243391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177928921 + 15413476 = 13339^2 + 3926^2 .

It is a cyclic number.

It is not a de Polignac number, because 193342397 - 2²² = 189148093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193342307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96671198 + 96671199.

It is an arithmetic number, because the mean of its divisors is an integer number (96671199).

Almost surely, 2^193342397 is an apocalyptic number.

It is an amenable number.

193342397 is a deficient number, since it is larger than the sum of its proper divisors (1).

193342397 is an equidigital number, since it uses as much as digits as its factorization.

193342397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 41.

The square root of 193342397 is about 13904.7616664220. The cubic root of 193342397 is about 578.2412009210.

The spelling of 193342397 in words is "one hundred ninety-three million, three hundred forty-two thousand, three hundred ninety-seven".