482138421 has 4 divisors (see below), whose sum is σ = 642851232. Its totient is φ = 321425612.

The previous prime is 482138417. The next prime is 482138429. The reversal of 482138421 is 124831284.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 482138421 - 2² = 482138417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (482138429) 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 in 3 ways as a sum of consecutive naturals, for example, 80356401 + ... + 80356406.

It is an arithmetic number, because the mean of its divisors is an integer number (160712808).

Almost surely, 2^482138421 is an apocalyptic number.

It is an amenable number.

482138421 is a deficient number, since it is larger than the sum of its proper divisors (160712811).

482138421 is a wasteful number, since it uses less digits than its factorization.

482138421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160712810.

The product of its digits is 12288, while the sum is 33.

The square root of 482138421 is about 21957.6506256931. The cubic root of 482138421 is about 784.1345329357.

The spelling of 482138421 in words is "four hundred eighty-two million, one hundred thirty-eight thousand, four hundred twenty-one".