505134125 has 8 divisors (see below), whose sum is σ = 630407544. Its totient is φ = 404107200.

The previous prime is 505134121. The next prime is 505134127. The reversal of 505134125 is 521431505.

It can be written as a sum of positive squares in 4 ways, for example, as 66357316 + 438776809 = 8146^2 + 20947^2 .

It is not a de Polignac number, because 505134125 - 2² = 505134121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505134094 and 505134103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505134121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020412 + ... + 2020661.

It is an arithmetic number, because the mean of its divisors is an integer number (78800943).

Almost surely, 2^505134125 is an apocalyptic number.

It is an amenable number.

505134125 is a deficient number, since it is larger than the sum of its proper divisors (125273419).

505134125 is an equidigital number, since it uses as much as digits as its factorization.

505134125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041088 (or 4041078 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 505134125 is about 22475.1890982034. The cubic root of 505134125 is about 796.4079187680.

The spelling of 505134125 in words is "five hundred five million, one hundred thirty-four thousand, one hundred twenty-five".