506561342 has 16 divisors (see below), whose sum is σ = 919473120. Its totient is φ = 204327168.

The previous prime is 506561327. The next prime is 506561369. The reversal of 506561342 is 243165605.

It is a junction number, because it is equal to n+sod(n) for n = 506561299 and 506561308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063967 + ... + 1064442.

It is an arithmetic number, because the mean of its divisors is an integer number (57467070).

Almost surely, 2^506561342 is an apocalyptic number.

506561342 is a deficient number, since it is larger than the sum of its proper divisors (412911778).

506561342 is a wasteful number, since it uses less digits than its factorization.

506561342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128435.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 506561342 is about 22506.9176476922. The cubic root of 506561342 is about 797.1572762418.

The spelling of 506561342 in words is "five hundred six million, five hundred sixty-one thousand, three hundred forty-two".