505525753 has 8 divisors (see below), whose sum is σ = 539172072. Its totient is φ = 472313856.

The previous prime is 505525733. The next prime is 505525771. The reversal of 505525753 is 357525505.

It can be written as a sum of positive squares in 4 ways, for example, as 178169104 + 327356649 = 13348^2 + 18093^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505525753 - 2¹³ = 505517561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505525733) 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, 106200 + ... + 110857.

It is an arithmetic number, because the mean of its divisors is an integer number (67396509).

Almost surely, 2^505525753 is an apocalyptic number.

It is an amenable number.

505525753 is a deficient number, since it is larger than the sum of its proper divisors (33646319).

505525753 is a wasteful number, since it uses less digits than its factorization.

505525753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217211.

The product of its (nonzero) digits is 131250, while the sum is 37.

The square root of 505525753 is about 22483.8998619012. The cubic root of 505525753 is about 796.6136826473.

The spelling of 505525753 in words is "five hundred five million, five hundred twenty-five thousand, seven hundred fifty-three".