506456564 has 6 divisors (see below), whose sum is σ = 886298994. Its totient is φ = 253228280.

The previous prime is 506456549. The next prime is 506456591. The reversal of 506456564 is 465654605.

It can be written as a sum of positive squares in only one way, i.e., 285339664 + 221116900 = 16892^2 + 14870^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63307067 + ... + 63307074.

It is an arithmetic number, because the mean of its divisors is an integer number (147716499).

Almost surely, 2^506456564 is an apocalyptic number.

It is an amenable number.

506456564 is a deficient number, since it is larger than the sum of its proper divisors (379842430).

506456564 is a wasteful number, since it uses less digits than its factorization.

506456564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126614145 (or 126614143 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 506456564 is about 22504.5898429631. The cubic root of 506456564 is about 797.1023106679.

The spelling of 506456564 in words is "five hundred six million, four hundred fifty-six thousand, five hundred sixty-four".