512901 has 6 divisors (see below), whose sum is σ = 740870. Its totient is φ = 341928.

The previous prime is 512899. The next prime is 512903. The reversal of 512901 is 109215.

It is an interprime number because it is at equal distance from previous prime (512899) and next prime (512903).

It can be written as a sum of positive squares in only one way, i.e., 497025 + 15876 = 705^2 + 126^2 .

It is not a de Polignac number, because 512901 - 2¹ = 512899 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28486 + ... + 28503.

2⁵¹²⁹⁰¹ is an apocalyptic number.

It is an amenable number.

512901 is a deficient number, since it is larger than the sum of its proper divisors (227969).

512901 is a wasteful number, since it uses less digits than its factorization.

512901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56995 (or 56992 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 512901 is about 716.1710689493. The cubic root of 512901 is about 80.0468995833.

The spelling of 512901 in words is "five hundred twelve thousand, nine hundred one".