655983319 has 2 divisors, whose sum is σ = 655983320. Its totient is φ = 655983318.

The previous prime is 655983259. The next prime is 655983331. The reversal of 655983319 is 913389556.

It is a happy number.

655983319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655983319 - 2¹³ = 655975127 is a prime.

It is a super-2 number, since 2×655983319² = 860628229612511522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655983389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327991659 + 327991660.

It is an arithmetic number, because the mean of its divisors is an integer number (327991660).

Almost surely, 2^655983319 is an apocalyptic number.

655983319 is a deficient number, since it is larger than the sum of its proper divisors (1).

655983319 is an equidigital number, since it uses as much as digits as its factorization.

655983319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 874800, while the sum is 49.

The square root of 655983319 is about 25612.1713058460. The cubic root of 655983319 is about 868.8889322239. Note that the first 3 decimals are identical.

The spelling of 655983319 in words is "six hundred fifty-five million, nine hundred eighty-three thousand, three hundred nineteen".