505909372 has 6 divisors (see below), whose sum is σ = 885341408. Its totient is φ = 252954684.

The previous prime is 505909361. The next prime is 505909423. The reversal of 505909372 is 273909505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63238668 + ... + 63238675.

Almost surely, 2^505909372 is an apocalyptic number.

It is an amenable number.

505909372 is a deficient number, since it is larger than the sum of its proper divisors (379432036).

505909372 is a wasteful number, since it uses less digits than its factorization.

505909372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126477347 (or 126477345 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 40.

The square root of 505909372 is about 22492.4292151826. The cubic root of 505909372 is about 796.8151355403.

The spelling of 505909372 in words is "five hundred five million, nine hundred nine thousand, three hundred seventy-two".