506889513 has 12 divisors (see below), whose sum is σ = 788494980. Its totient is φ = 311931936.

The previous prime is 506889499. The next prime is 506889553. The reversal of 506889513 is 315988605.

506889513 is a `hidden beast` number, since 50 + 6 + 8 + 89 + 513 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34609689 + 472279824 = 5883^2 + 21732^2 .

It is not a de Polignac number, because 506889513 - 2¹⁰ = 506888489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506889553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2166078 + ... + 2166311.

It is an arithmetic number, because the mean of its divisors is an integer number (65707915).

Almost surely, 2^506889513 is an apocalyptic number.

It is an amenable number.

506889513 is a deficient number, since it is larger than the sum of its proper divisors (281605467).

506889513 is a wasteful number, since it uses less digits than its factorization.

506889513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332408 (or 4332405 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 506889513 is about 22514.2069147461. The cubic root of 506889513 is about 797.3293826954.

The spelling of 506889513 in words is "five hundred six million, eight hundred eighty-nine thousand, five hundred thirteen".