505525016 has 8 divisors (see below), whose sum is σ = 947859420. Its totient is φ = 252762504.

The previous prime is 505524989. The next prime is 505525021. The reversal of 505525016 is 610525505.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 505525016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31595306 + ... + 31595321.

Almost surely, 2^505525016 is an apocalyptic number.

It is an amenable number.

505525016 is a deficient number, since it is larger than the sum of its proper divisors (442334404).

505525016 is a wasteful number, since it uses less digits than its factorization.

505525016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63190633 (or 63190629 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 505525016 is about 22483.8834723897. The cubic root of 505525016 is about 796.6132955226.

The spelling of 505525016 in words is "five hundred five million, five hundred twenty-five thousand, sixteen".