185314397 has 2 divisors, whose sum is σ = 185314398. Its totient is φ = 185314396.

The previous prime is 185314307. The next prime is 185314403. The reversal of 185314397 is 793413581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145106116 + 40208281 = 12046^2 + 6341^2 .

It is a cyclic number.

It is not a de Polignac number, because 185314397 - 2⁸ = 185314141 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 (185314307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92657198 + 92657199.

It is an arithmetic number, because the mean of its divisors is an integer number (92657199).

Almost surely, 2^185314397 is an apocalyptic number.

It is an amenable number.

185314397 is a deficient number, since it is larger than the sum of its proper divisors (1).

185314397 is an equidigital number, since it uses as much as digits as its factorization.

185314397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 185314397 is about 13613.0230661672. The cubic root of 185314397 is about 570.1245208616.

The spelling of 185314397 in words is "one hundred eighty-five million, three hundred fourteen thousand, three hundred ninety-seven".