505134153 has 12 divisors (see below), whose sum is σ = 732275908. Its totient is φ = 335538720.

The previous prime is 505134143. The next prime is 505134163. The reversal of 505134153 is 351431505.

505134153 is a `hidden beast` number, since 505 + 1 + 3 + 4 + 153 = 666.

It is an interprime number because it is at equal distance from previous prime (505134143) and next prime (505134163).

It can be written as a sum of positive squares in 2 ways, for example, as 346071609 + 159062544 = 18603^2 + 12612^2 .

It is not a de Polignac number, because 505134153 - 2⁵ = 505134121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505134103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98818 + ... + 103803.

Almost surely, 2^505134153 is an apocalyptic number.

It is an amenable number.

505134153 is a deficient number, since it is larger than the sum of its proper divisors (227141755).

505134153 is a wasteful number, since it uses less digits than its factorization.

505134153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202904 (or 202901 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 505134153 is about 22475.1897211125. The cubic root of 505134153 is about 796.4079334832.

Adding to 505134153 its reverse (351431505), we get a palindrome (856565658).

It can be divided in two parts, 5051 and 34153, that added together give a square (39204 = 198²).

The spelling of 505134153 in words is "five hundred five million, one hundred thirty-four thousand, one hundred fifty-three".