506501650 has 12 divisors (see below), whose sum is σ = 942093162. Its totient is φ = 202600640.

The previous prime is 506501647. The next prime is 506501669. The reversal of 506501650 is 56105605.

It can be written as a sum of positive squares in 3 ways, for example, as 425555641 + 80946009 = 20629^2 + 8997^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5064967 + ... + 5065066.

Almost surely, 2^506501650 is an apocalyptic number.

506501650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

506501650 is a deficient number, since it is larger than the sum of its proper divisors (435591512).

506501650 is a wasteful number, since it uses less digits than its factorization.

506501650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10130045 (or 10130040 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 506501650 is about 22505.5915274405. The cubic root of 506501650 is about 797.1259632974.

The spelling of 506501650 in words is "five hundred six million, five hundred one thousand, six hundred fifty".