355679 has 2 divisors, whose sum is σ = 355680. Its totient is φ = 355678.

The previous prime is 355669. The next prime is 355697. The reversal of 355679 is 976553.

Together with next prime (355697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (976553) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355679 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355609) 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, 177839 + 177840.

It is an arithmetic number, because the mean of its divisors is an integer number (177840).

2³⁵⁵⁶⁷⁹ is an apocalyptic number.

355679 is a deficient number, since it is larger than the sum of its proper divisors (1).

355679 is an equidigital number, since it uses as much as digits as its factorization.

355679 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 355679 is about 596.3882963305. The cubic root of 355679 is about 70.8521023696.

It can be divided in two parts, 35 and 5679, that multiplied together give a triangular number (198765 = T₆₃₀).

The spelling of 355679 in words is "three hundred fifty-five thousand, six hundred seventy-nine".