538456279 has 2 divisors, whose sum is σ = 538456280. Its totient is φ = 538456278.

The previous prime is 538456273. The next prime is 538456307. The reversal of 538456279 is 972654835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538456279 - 2²¹ = 536359127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538456273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269228139 + 269228140.

It is an arithmetic number, because the mean of its divisors is an integer number (269228140).

Almost surely, 2^538456279 is an apocalyptic number.

538456279 is a deficient number, since it is larger than the sum of its proper divisors (1).

538456279 is an equidigital number, since it uses as much as digits as its factorization.

538456279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 49.

The square root of 538456279 is about 23204.6607171921. The cubic root of 538456279 is about 813.5485622320.

The spelling of 538456279 in words is "five hundred thirty-eight million, four hundred fifty-six thousand, two hundred seventy-nine".