512500401 has 48 divisors (see below), whose sum is σ = 876848128. Its totient is φ = 282268800.

The previous prime is 512500379. The next prime is 512500403. The reversal of 512500401 is 104005215.

It is not a de Polignac number, because 512500401 - 2⁶ = 512500337 is a prime.

It is a super-2 number, since 2×512500401² = 525313322050321602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512500403) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 775011 + ... + 775671.

Almost surely, 2^512500401 is an apocalyptic number.

It is an amenable number.

512500401 is a deficient number, since it is larger than the sum of its proper divisors (364347727).

512500401 is a wasteful number, since it uses less digits than its factorization.

512500401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1099 counting only the distinct ones).

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

The square root of 512500401 is about 22638.4717019502. The cubic root of 512500401 is about 800.2605406598.

Adding to 512500401 its reverse (104005215), we get a palindrome (616505616).

The spelling of 512500401 in words is "five hundred twelve million, five hundred thousand, four hundred one".