505317412 has 12 divisors (see below), whose sum is σ = 898802716. Its totient is φ = 248516640.

The previous prime is 505317389. The next prime is 505317413. The reversal of 505317412 is 214713505.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 90136036 + 415181376 = 9494^2 + 20376^2 .

It is not an unprimeable number, because it can be changed into a prime (505317413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035243 + ... + 1035730.

Almost surely, 2^505317412 is an apocalyptic number.

It is an amenable number.

505317412 is a deficient number, since it is larger than the sum of its proper divisors (393485304).

505317412 is a wasteful number, since it uses less digits than its factorization.

505317412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071038 (or 2071036 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 505317412 is about 22479.2662691646. The cubic root of 505317412 is about 796.5042321756.

The spelling of 505317412 in words is "five hundred five million, three hundred seventeen thousand, four hundred twelve".