505151505 has 16 divisors (see below), whose sum is σ = 898047360. Its totient is φ = 269414064.

The previous prime is 505151503. The next prime is 505151519.

505151505 is a `hidden beast` number, since 5 + 0 + 5 + 151 + 505 = 666.

505151505 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 505151505 - 2¹ = 505151503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (505151503) 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, 1870797 + ... + 1871066.

It is an arithmetic number, because the mean of its divisors is an integer number (56127960).

Almost surely, 2^505151505 is an apocalyptic number.

It is an amenable number.

505151505 is a deficient number, since it is larger than the sum of its proper divisors (392895855).

505151505 is a wasteful number, since it uses less digits than its factorization.

505151505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741877 (or 3741871 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The square root of 505151505 is about 22475.5757434598. The cubic root of 505151505 is about 796.4170525869.

The spelling of 505151505 in words is "five hundred five million, one hundred fifty-one thousand, five hundred five".