505025005 has 4 divisors (see below), whose sum is σ = 606030012. Its totient is φ = 404020000.

The previous prime is 505024979. The next prime is 505025009. The reversal of 505025005 is 500520505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 385297641 + 119727364 = 19629^2 + 10942^2 .

It is not a de Polignac number, because 505025005 - 2⁵ = 505024973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505025009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50502496 + ... + 50502505.

It is an arithmetic number, because the mean of its divisors is an integer number (151507503).

Almost surely, 2^505025005 is an apocalyptic number.

It is an amenable number.

505025005 is a deficient number, since it is larger than the sum of its proper divisors (101005007).

505025005 is a wasteful number, since it uses less digits than its factorization.

505025005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101005006.

The product of its (nonzero) digits is 1250, while the sum is 22.

The square root of 505025005 is about 22472.7614013054. The cubic root of 505025005 is about 796.3505674718.

The spelling of 505025005 in words is "five hundred five million, twenty-five thousand, five".