505361163 has 16 divisors (see below), whose sum is σ = 719539200. Its totient is φ = 314795040.

The previous prime is 505361147. The next prime is 505361179. The reversal of 505361163 is 361163505.

It is an interprime number because it is at equal distance from previous prime (505361147) and next prime (505361179).

It is not a de Polignac number, because 505361163 - 2⁴ = 505361147 is a prime.

It is a super-4 number, since 4×505361163⁴ (a number of 36 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505361163.

It is not an unprimeable number, because it can be changed into a prime (505361663) 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, 90993 + ... + 96386.

It is an arithmetic number, because the mean of its divisors is an integer number (44971200).

Almost surely, 2^505361163 is an apocalyptic number.

505361163 is a deficient number, since it is larger than the sum of its proper divisors (214178037).

505361163 is a wasteful number, since it uses less digits than its factorization.

505361163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187442.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 505361163 is about 22480.2393892948. The cubic root of 505361163 is about 796.5272189493.

The spelling of 505361163 in words is "five hundred five million, three hundred sixty-one thousand, one hundred sixty-three".