510851231 has 6 divisors (see below), whose sum is σ = 561514296. Its totient is φ = 464410100.

The previous prime is 510851219. The next prime is 510851287. The reversal of 510851231 is 132158015.

It is a happy number.

It is not a de Polignac number, because 510851231 - 2²⁶ = 443742367 is a prime.

It is a super-2 number, since 2×510851231² = 521937960428430722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 510851231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (510856231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2110835 + ... + 2111076.

It is an arithmetic number, because the mean of its divisors is an integer number (93585716).

Almost surely, 2^510851231 is an apocalyptic number.

510851231 is a deficient number, since it is larger than the sum of its proper divisors (50663065).

510851231 is a wasteful number, since it uses less digits than its factorization.

510851231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221933 (or 4221922 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 510851231 is about 22602.0182948338. The cubic root of 510851231 is about 799.4012347746.

The spelling of 510851231 in words is "five hundred ten million, eight hundred fifty-one thousand, two hundred thirty-one".