655379 has 2 divisors, whose sum is σ = 655380. Its totient is φ = 655378.

The previous prime is 655373. The next prime is 655387. The reversal of 655379 is 973556.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655379 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6² + 5⁵ + 3 + 5⁵ + 7⁶ + 9⁶ .

It is not a weakly prime, because it can be changed into another prime (655373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327689 + 327690.

It is an arithmetic number, because the mean of its divisors is an integer number (327690).

2⁶⁵⁵³⁷⁹ is an apocalyptic number.

655379 is a deficient number, since it is larger than the sum of its proper divisors (1).

655379 is an equidigital number, since it uses as much as digits as its factorization.

655379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 35.

The square root of 655379 is about 809.5548159328. The cubic root of 655379 is about 86.8622031424.

The spelling of 655379 in words is "six hundred fifty-five thousand, three hundred seventy-nine".