481538279 has 2 divisors, whose sum is σ = 481538280. Its totient is φ = 481538278.

The previous prime is 481538273. The next prime is 481538333. The reversal of 481538279 is 972835184.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 481538279 - 2⁴ = 481538263 is a prime.

It is a super-2 number, since 2×481538279² = 463758228284563682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481538273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240769139 + 240769140.

It is an arithmetic number, because the mean of its divisors is an integer number (240769140).

Almost surely, 2^481538279 is an apocalyptic number.

481538279 is a deficient number, since it is larger than the sum of its proper divisors (1).

481538279 is an equidigital number, since it uses as much as digits as its factorization.

481538279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 47.

The square root of 481538279 is about 21943.9804730136. The cubic root of 481538279 is about 783.8090472536.

The spelling of 481538279 in words is "four hundred eighty-one million, five hundred thirty-eight thousand, two hundred seventy-nine".