505223524 has 24 divisors (see below), whose sum is σ = 953459640. Its totient is φ = 232859904.

The previous prime is 505223479. The next prime is 505223581. The reversal of 505223524 is 425322505.

It can be written as a sum of positive squares in 4 ways, for example, as 38663524 + 466560000 = 6218^2 + 21600^2 .

It is a junction number, because it is equal to n+sod(n) for n = 505223492 and 505223501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33912 + ... + 46480.

It is an arithmetic number, because the mean of its divisors is an integer number (39727485).

Almost surely, 2^505223524 is an apocalyptic number.

It is an amenable number.

505223524 is a deficient number, since it is larger than the sum of its proper divisors (448236116).

505223524 is a wasteful number, since it uses less digits than its factorization.

505223524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13359 (or 13357 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 505223524 is about 22477.1778477637. The cubic root of 505223524 is about 796.4548989450.

The spelling of 505223524 in words is "five hundred five million, two hundred twenty-three thousand, five hundred twenty-four".