514223231 has 4 divisors (see below), whose sum is σ = 515697000. Its totient is φ = 512749464.

The previous prime is 514223209. The next prime is 514223233. The reversal of 514223231 is 132322415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-514223231 is a prime.

It is a super-2 number, since 2×514223231² = 528851062600158722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 514223197 and 514223206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514223233) 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 3 ways as a sum of consecutive naturals, for example, 736361 + ... + 737058.

It is an arithmetic number, because the mean of its divisors is an integer number (128924250).

Almost surely, 2^514223231 is an apocalyptic number.

514223231 is a deficient number, since it is larger than the sum of its proper divisors (1473769).

514223231 is a wasteful number, since it uses less digits than its factorization.

514223231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473768.

The product of its digits is 1440, while the sum is 23.

The square root of 514223231 is about 22676.4907117481. The cubic root of 514223231 is about 801.1562608335.

Adding to 514223231 its reverse (132322415), we get a palindrome (646545646).

The spelling of 514223231 in words is "five hundred fourteen million, two hundred twenty-three thousand, two hundred thirty-one".