505205542 has 8 divisors (see below), whose sum is σ = 758070000. Its totient is φ = 252515544.

The previous prime is 505205539. The next prime is 505205551. The reversal of 505205542 is 245502505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 505205542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36117 + ... + 48112.

It is an arithmetic number, because the mean of its divisors is an integer number (94758750).

Almost surely, 2^505205542 is an apocalyptic number.

505205542 is a deficient number, since it is larger than the sum of its proper divisors (252864458).

505205542 is a wasteful number, since it uses less digits than its factorization.

505205542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87230.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 505205542 is about 22476.7778384714. Note that the first 3 decimals coincide. The cubic root of 505205542 is about 796.4454496476.

The spelling of 505205542 in words is "five hundred five million, two hundred five thousand, five hundred forty-two".