522673839 has 24 divisors (see below), whose sum is σ = 761080320. Its totient is φ = 345645072.

The previous prime is 522673829. The next prime is 522673841. The reversal of 522673839 is 938376225.

522673839 is a `hidden beast` number, since 5 + 2 + 267 + 383 + 9 = 666.

It is not a de Polignac number, because 522673839 - 2⁵ = 522673807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 522673794 and 522673803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522673819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1038862 + ... + 1039364.

It is an arithmetic number, because the mean of its divisors is an integer number (31711680).

Almost surely, 2^522673839 is an apocalyptic number.

522673839 is a deficient number, since it is larger than the sum of its proper divisors (238406481).

522673839 is a wasteful number, since it uses less digits than its factorization.

522673839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1208 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 522673839 is about 22862.0611275537. The cubic root of 522673839 is about 805.5211003053.

The spelling of 522673839 in words is "five hundred twenty-two million, six hundred seventy-three thousand, eight hundred thirty-nine".