505142524 has 6 divisors (see below), whose sum is σ = 883999424. Its totient is φ = 252571260.

The previous prime is 505142497. The next prime is 505142581. The reversal of 505142524 is 425241505.

It is a junction number, because it is equal to n+sod(n) for n = 505142492 and 505142501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63142812 + ... + 63142819.

Almost surely, 2^505142524 is an apocalyptic number.

It is an amenable number.

505142524 is a deficient number, since it is larger than the sum of its proper divisors (378856900).

505142524 is a wasteful number, since it uses less digits than its factorization.

505142524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126285635 (or 126285633 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 505142524 is about 22475.3759479124. The cubic root of 505142524 is about 796.4123327726.

The spelling of 505142524 in words is "five hundred five million, one hundred forty-two thousand, five hundred twenty-four".