505546625245 has 4 divisors (see below), whose sum is σ = 606655950300. Its totient is φ = 404437300192.

The previous prime is 505546625237. The next prime is 505546625291. The reversal of 505546625245 is 542526645505.

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 283240033209 + 222306592036 = 532203^2 + 471494^2 .

It is a cyclic number.

It is not a de Polignac number, because 505546625245 - 2³ = 505546625237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50554662520 + ... + 50554662529.

It is an arithmetic number, because the mean of its divisors is an integer number (151663987575).

Almost surely, 2^505546625245 is an apocalyptic number.

It is an amenable number.

505546625245 is a deficient number, since it is larger than the sum of its proper divisors (101109325055).

505546625245 is a wasteful number, since it uses less digits than its factorization.

505546625245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101109325054.

The product of its (nonzero) digits is 7200000, while the sum is 49.

The spelling of 505546625245 in words is "five hundred five billion, five hundred forty-six million, six hundred twenty-five thousand, two hundred forty-five".