505319471 has 8 divisors (see below), whose sum is σ = 525549120. Its totient is φ = 485435808.

The previous prime is 505319467. The next prime is 505319473. The reversal of 505319471 is 174913505.

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

It is a cyclic number.

It is not a de Polignac number, because 505319471 - 2² = 505319467 is a prime.

It is a super-3 number, since 3×505319471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505319473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83516 + ... + 89361.

It is an arithmetic number, because the mean of its divisors is an integer number (65693640).

Almost surely, 2^505319471 is an apocalyptic number.

505319471 is a deficient number, since it is larger than the sum of its proper divisors (20229649).

505319471 is a wasteful number, since it uses less digits than its factorization.

505319471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172993.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 505319471 is about 22479.3120668761. The cubic root of 505319471 is about 796.5053140039.

The spelling of 505319471 in words is "five hundred five million, three hundred nineteen thousand, four hundred seventy-one".