506607889 has 2 divisors, whose sum is σ = 506607890. Its totient is φ = 506607888.

The previous prime is 506607883. The next prime is 506607917. The reversal of 506607889 is 988706605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361646289 + 144961600 = 19017^2 + 12040^2 .

It is a cyclic number.

It is not a de Polignac number, because 506607889 - 2²⁵ = 473053457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (506607883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253303944 + 253303945.

It is an arithmetic number, because the mean of its divisors is an integer number (253303945).

Almost surely, 2^506607889 is an apocalyptic number.

It is an amenable number.

506607889 is a deficient number, since it is larger than the sum of its proper divisors (1).

506607889 is an equidigital number, since it uses as much as digits as its factorization.

506607889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 506607889 is about 22507.9516837939. The cubic root of 506607889 is about 797.1816919378.

The spelling of 506607889 in words is "five hundred six million, six hundred seven thousand, eight hundred eighty-nine".