505050528025 has 12 divisors (see below), whose sum is σ = 626285393964. Its totient is φ = 404025752000.

The previous prime is 505050528023. The next prime is 505050528067. The reversal of 505050528025 is 520825050505.

It can be written as a sum of positive squares in 6 ways, for example, as 44306882064 + 460743645961 = 210492^2 + 678781^2 .

It is not a de Polignac number, because 505050528025 - 2¹ = 505050528023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505050528023) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 364095 + ... + 1068955.

It is an arithmetic number, because the mean of its divisors is an integer number (52190449497).

Almost surely, 2^505050528025 is an apocalyptic number.

It is an amenable number.

505050528025 is a deficient number, since it is larger than the sum of its proper divisors (121234865939).

505050528025 is a wasteful number, since it uses less digits than its factorization.

505050528025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733532 (or 733527 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 505050528025 in words is "five hundred five billion, fifty million, five hundred twenty-eight thousand, twenty-five".