505744471 has 8 divisors (see below), whose sum is σ = 523213488. Its totient is φ = 488520000.

The previous prime is 505744469. The next prime is 505744483. The reversal of 505744471 is 174447505.

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 505744471 - 2¹ = 505744469 is a prime.

It is a super-3 number, since 3×505744471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505744471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535744471) 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, 56925 + ... + 65206.

It is an arithmetic number, because the mean of its divisors is an integer number (65401686).

Almost surely, 2^505744471 is an apocalyptic number.

505744471 is a deficient number, since it is larger than the sum of its proper divisors (17469017).

505744471 is a wasteful number, since it uses less digits than its factorization.

505744471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122273.

The product of its (nonzero) digits is 78400, while the sum is 37.

The square root of 505744471 is about 22488.7632163265. The cubic root of 505744471 is about 796.7285522517.

The spelling of 505744471 in words is "five hundred five million, seven hundred forty-four thousand, four hundred seventy-one".