655135373 has 2 divisors, whose sum is σ = 655135374. Its totient is φ = 655135372.

The previous prime is 655135343. The next prime is 655135379. The reversal of 655135373 is 373531556.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 335512489 + 319622884 = 18317^2 + 17878^2 .

It is a cyclic number.

It is not a de Polignac number, because 655135373 - 2⁶ = 655135309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655135379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327567686 + 327567687.

It is an arithmetic number, because the mean of its divisors is an integer number (327567687).

Almost surely, 2^655135373 is an apocalyptic number.

It is an amenable number.

655135373 is a deficient number, since it is larger than the sum of its proper divisors (1).

655135373 is an equidigital number, since it uses as much as digits as its factorization.

655135373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141750, while the sum is 38.

The square root of 655135373 is about 25595.6123779057. The cubic root of 655135373 is about 868.5143858192.

The spelling of 655135373 in words is "six hundred fifty-five million, one hundred thirty-five thousand, three hundred seventy-three".