505155334 has 4 divisors (see below), whose sum is σ = 757733004. Its totient is φ = 252577666.

The previous prime is 505155317. The next prime is 505155353. The reversal of 505155334 is 433551505.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×505155334² = 510363822937303112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505155296 and 505155305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126288832 + ... + 126288835.

It is an arithmetic number, because the mean of its divisors is an integer number (189433251).

Almost surely, 2^505155334 is an apocalyptic number.

505155334 is a deficient number, since it is larger than the sum of its proper divisors (252577670).

505155334 is a wasteful number, since it uses less digits than its factorization.

505155334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252577669.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 505155334 is about 22475.6609246536. The cubic root of 505155334 is about 796.4190648368.

The spelling of 505155334 in words is "five hundred five million, one hundred fifty-five thousand, three hundred thirty-four".