505154212 has 6 divisors (see below), whose sum is σ = 884019878. Its totient is φ = 252577104.

The previous prime is 505154191. The next prime is 505154213. The reversal of 505154212 is 212451505.

It can be written as a sum of positive squares in only one way, i.e., 462852196 + 42302016 = 21514^2 + 6504^2 .

It is not an unprimeable number, because it can be changed into a prime (505154213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63144273 + ... + 63144280.

Almost surely, 2^505154212 is an apocalyptic number.

It is an amenable number.

505154212 is a deficient number, since it is larger than the sum of its proper divisors (378865666).

505154212 is a wasteful number, since it uses less digits than its factorization.

505154212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126288557 (or 126288555 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 505154212 is about 22475.6359643059. The cubic root of 505154212 is about 796.4184751945.

The spelling of 505154212 in words is "five hundred five million, one hundred fifty-four thousand, two hundred twelve".