514520231 has 2 divisors, whose sum is σ = 514520232. Its totient is φ = 514520230.

The previous prime is 514520219. The next prime is 514520257. The reversal of 514520231 is 132025415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 514520231 - 2¹⁰ = 514519207 is a prime.

It is a super-2 number, since 2×514520231² = 529462136216586722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 514520197 and 514520206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514520431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257260115 + 257260116.

It is an arithmetic number, because the mean of its divisors is an integer number (257260116).

Almost surely, 2^514520231 is an apocalyptic number.

514520231 is a deficient number, since it is larger than the sum of its proper divisors (1).

514520231 is an equidigital number, since it uses as much as digits as its factorization.

514520231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 514520231 is about 22683.0383987684. The cubic root of 514520231 is about 801.3104724677.

Adding to 514520231 its reverse (132025415), we get a palindrome (646545646).

The spelling of 514520231 in words is "five hundred fourteen million, five hundred twenty thousand, two hundred thirty-one".