505025413173 has 12 divisors (see below), whose sum is σ = 729648406240. Its totient is φ = 336606414696.

The previous prime is 505025413169. The next prime is 505025413177. The reversal of 505025413173 is 371314520505.

505025413173 is a `hidden beast` number, since 5 + 0 + 50 + 25 + 413 + 173 = 666.

It is an interprime number because it is at equal distance from previous prime (505025413169) and next prime (505025413177).

It is not a de Polignac number, because 505025413173 - 2² = 505025413169 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 (505025413177) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6391393 + ... + 6469926.

Almost surely, 2^505025413173 is an apocalyptic number.

It is an amenable number.

505025413173 is a deficient number, since it is larger than the sum of its proper divisors (224622993067).

505025413173 is a wasteful number, since it uses less digits than its factorization.

505025413173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12865688 (or 12865685 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

Adding to 505025413173 its reverse (371314520505), we get a palindrome (876339933678).

The spelling of 505025413173 in words is "five hundred five billion, twenty-five million, four hundred thirteen thousand, one hundred seventy-three".