505271151 has 48 divisors (see below), whose sum is σ = 917250048. Its totient is φ = 260366400.

The previous prime is 505271141. The next prime is 505271183. The reversal of 505271151 is 151172505.

505271151 is a `hidden beast` number, since 505 + 2 + 7 + 1 + 151 = 666.

It is not a de Polignac number, because 505271151 - 2¹³ = 505262959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505271131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85141 + ... + 90881.

It is an arithmetic number, because the mean of its divisors is an integer number (19109376).

Almost surely, 2^505271151 is an apocalyptic number.

505271151 is a deficient number, since it is larger than the sum of its proper divisors (411978897).

505271151 is a wasteful number, since it uses less digits than its factorization.

505271151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892 (or 5889 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 27.

The square root of 505271151 is about 22478.2372751958. The cubic root of 505271151 is about 796.4799252048.

The spelling of 505271151 in words is "five hundred five million, two hundred seventy-one thousand, one hundred fifty-one".