273979 has 2 divisors, whose sum is σ = 273980. Its totient is φ = 273978.

The previous prime is 273971. The next prime is 273997. The reversal of 273979 is 979372.

Together with next prime (273997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 273979 - 2³ = 273971 is a prime.

273979 is a lucky number.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (273971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136989 + 136990.

It is an arithmetic number, because the mean of its divisors is an integer number (136990).

2²⁷³⁹⁷⁹ is an apocalyptic number.

273979 is a deficient number, since it is larger than the sum of its proper divisors (1).

273979 is an equidigital number, since it uses as much as digits as its factorization.

273979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814, while the sum is 37.

The square root of 273979 is about 523.4300335288. The cubic root of 273979 is about 64.9489935155.

The spelling of 273979 in words is "two hundred seventy-three thousand, nine hundred seventy-nine".