505371712 has 14 divisors (see below), whose sum is σ = 1002847118. Its totient is φ = 252685824.

The previous prime is 505371707. The next prime is 505371721. The reversal of 505371712 is 217173505.

It can be written as a sum of positive squares in only one way, i.e., 272382016 + 232989696 = 16504^2 + 15264^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3948153 + ... + 3948280.

It is an arithmetic number, because the mean of its divisors is an integer number (71631937).

Almost surely, 2^505371712 is an apocalyptic number.

It is an amenable number.

505371712 is a deficient number, since it is larger than the sum of its proper divisors (497475406).

505371712 is an equidigital number, since it uses as much as digits as its factorization.

505371712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896445 (or 7896435 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 505371712 is about 22480.4740163547. The cubic root of 505371712 is about 796.5327611950.

The spelling of 505371712 in words is "five hundred five million, three hundred seventy-one thousand, seven hundred twelve".