505321525 has 12 divisors (see below), whose sum is σ = 634532800. Its totient is φ = 399138480.

The previous prime is 505321501. The next prime is 505321559. The reversal of 505321525 is 525123505.

It is not a de Polignac number, because 505321525 - 2⁹ = 505321013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505321493 and 505321502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125955 + ... + 129904.

Almost surely, 2^505321525 is an apocalyptic number.

It is an amenable number.

505321525 is a deficient number, since it is larger than the sum of its proper divisors (129211275).

505321525 is a wasteful number, since it uses less digits than its factorization.

505321525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255948 (or 255943 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 505321525 is about 22479.3577532811. The cubic root of 505321525 is about 796.5063932022.

The spelling of 505321525 in words is "five hundred five million, three hundred twenty-one thousand, five hundred twenty-five".