506259128 has 16 divisors (see below), whose sum is σ = 956067000. Its totient is φ = 251307936.

The previous prime is 506259113. The next prime is 506259139. The reversal of 506259128 is 821952605.

It is a junction number, because it is equal to n+sod(n) for n = 506259091 and 506259100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226523 + ... + 228746.

Almost surely, 2^506259128 is an apocalyptic number.

It is an amenable number.

506259128 is a deficient number, since it is larger than the sum of its proper divisors (449807872).

506259128 is a wasteful number, since it uses less digits than its factorization.

506259128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455414 (or 455410 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 506259128 is about 22500.2028435301. The cubic root of 506259128 is about 796.9987169557.

The spelling of 506259128 in words is "five hundred six million, two hundred fifty-nine thousand, one hundred twenty-eight".