505504671 has 16 divisors (see below), whose sum is σ = 810835200. Its totient is φ = 273656448.

The previous prime is 505504661. The next prime is 505504679. The reversal of 505504671 is 176405505.

It is not a de Polignac number, because 505504671 - 2²⁷ = 371286943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505504679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633066 + ... + 633863.

It is an arithmetic number, because the mean of its divisors is an integer number (50677200).

Almost surely, 2^505504671 is an apocalyptic number.

505504671 is a deficient number, since it is larger than the sum of its proper divisors (305330529).

505504671 is a wasteful number, since it uses less digits than its factorization.

505504671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266958.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 505504671 is about 22483.4310326516. The cubic root of 505504671 is about 796.6026087353.

The spelling of 505504671 in words is "five hundred five million, five hundred four thousand, six hundred seventy-one".