655135079 has 2 divisors, whose sum is σ = 655135080. Its totient is φ = 655135078.

The previous prime is 655135051. The next prime is 655135081. The reversal of 655135079 is 970531556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655135079 - 2²⁸ = 386699623 is a prime.

Together with 655135081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655135099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327567539 + 327567540.

It is an arithmetic number, because the mean of its divisors is an integer number (327567540).

Almost surely, 2^655135079 is an apocalyptic number.

655135079 is a deficient number, since it is larger than the sum of its proper divisors (1).

655135079 is an equidigital number, since it uses as much as digits as its factorization.

655135079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141750, while the sum is 41.

The square root of 655135079 is about 25595.6066347332. The cubic root of 655135079 is about 868.5142559004.

The spelling of 655135079 in words is "six hundred fifty-five million, one hundred thirty-five thousand, seventy-nine".