506501221330025 has 24 divisors (see below), whose sum is σ = 634283157886848. Its totient is φ = 401187054200000.

The previous prime is 506501221330019. The next prime is 506501221330031. The reversal of 506501221330025 is 520033122105605.

It is an interprime number because it is at equal distance from previous prime (506501221330019) and next prime (506501221330031).

It is not a de Polignac number, because 506501221330025 - 2⁴ = 506501221330009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 677010410 + ... + 677758140.

It is an arithmetic number, because the mean of its divisors is an integer number (26428464911952).

Almost surely, 2^{506501221330025} is an apocalyptic number.

It is an amenable number.

506501221330025 is a deficient number, since it is larger than the sum of its proper divisors (127781936556823).

506501221330025 is a wasteful number, since it uses less digits than its factorization.

506501221330025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016113 (or 1016108 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 506501221330025 in words is "five hundred six trillion, five hundred one billion, two hundred twenty-one million, three hundred thirty thousand, twenty-five".