611393 has 2 divisors, whose sum is σ = 611394. Its totient is φ = 611392.

The previous prime is 611389. The next prime is 611411. The reversal of 611393 is 393116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 588289 + 23104 = 767^2 + 152^2 .

It is a cyclic number.

It is not a de Polignac number, because 611393 - 2² = 611389 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (611323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305696 + 305697.

It is an arithmetic number, because the mean of its divisors is an integer number (305697).

2⁶¹¹³⁹³ is an apocalyptic number.

It is an amenable number.

611393 is a deficient number, since it is larger than the sum of its proper divisors (1).

611393 is an equidigital number, since it uses as much as digits as its factorization.

611393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 23.

The square root of 611393 is about 781.9162359230. The cubic root of 611393 is about 84.8737688010.

The spelling of 611393 in words is "six hundred eleven thousand, three hundred ninety-three".