512311401 has 12 divisors (see below), whose sum is σ = 845720512. Its totient is φ = 292749336.

The previous prime is 512311381. The next prime is 512311427. The reversal of 512311401 is 104113215.

It is not a de Polignac number, because 512311401 - 2⁵ = 512311369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (512311451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4065901 + ... + 4066026.

Almost surely, 2^512311401 is an apocalyptic number.

It is an amenable number.

512311401 is a deficient number, since it is larger than the sum of its proper divisors (333409111).

512311401 is a wasteful number, since it uses less digits than its factorization.

512311401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8131940 (or 8131937 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 512311401 is about 22634.2970069759. The cubic root of 512311401 is about 800.1621551507.

Adding to 512311401 its reverse (104113215), we get a palindrome (616424616).

The spelling of 512311401 in words is "five hundred twelve million, three hundred eleven thousand, four hundred one".