500512401 has 6 divisors (see below), whose sum is σ = 722962370. Its totient is φ = 333674928.

The previous prime is 500512393. The next prime is 500512403. The reversal of 500512401 is 104215005.

It can be written as a sum of positive squares in only one way, i.e., 430355025 + 70157376 = 20745^2 + 8376^2 .

It is not a de Polignac number, because 500512401 - 2³ = 500512393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500512403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27806236 + ... + 27806253.

Almost surely, 2^500512401 is an apocalyptic number.

It is an amenable number.

500512401 is a deficient number, since it is larger than the sum of its proper divisors (222449969).

500512401 is a wasteful number, since it uses less digits than its factorization.

500512401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55612495 (or 55612492 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 500512401 is about 22372.1344757267. The cubic root of 500512401 is about 793.9715620479.

Adding to 500512401 its reverse (104215005), we get a palindrome (604727406).

The spelling of 500512401 in words is "five hundred million, five hundred twelve thousand, four hundred one".