243479 has 2 divisors, whose sum is σ = 243480. Its totient is φ = 243478.

The previous prime is 243473. The next prime is 243487. The reversal of 243479 is 974342.

243479 is nontrivially palindromic in base 6.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243479 - 2¹² = 239383 is a prime.

It is a d-powerful number, because it can be written as 2 + 4² + 4⁸ + 3¹¹ + 7² + 9³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121739 + 121740.

It is an arithmetic number, because the mean of its divisors is an integer number (121740).

2²⁴³⁴⁷⁹ is an apocalyptic number.

243479 is a deficient number, since it is larger than the sum of its proper divisors (1).

243479 is an equidigital number, since it uses as much as digits as its factorization.

243479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 243479 is about 493.4359127587. The cubic root of 243479 is about 62.4434902551.

The spelling of 243479 in words is "two hundred forty-three thousand, four hundred seventy-nine".