234503513 has 2 divisors, whose sum is σ = 234503514. Its totient is φ = 234503512.

The previous prime is 234503509. The next prime is 234503531. The reversal of 234503513 is 315305432.

Together with next prime (234503531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230189584 + 4313929 = 15172^2 + 2077^2 .

It is a cyclic number.

It is not a de Polignac number, because 234503513 - 2² = 234503509 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (234503543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117251756 + 117251757.

It is an arithmetic number, because the mean of its divisors is an integer number (117251757).

Almost surely, 2^234503513 is an apocalyptic number.

It is an amenable number.

234503513 is a deficient number, since it is larger than the sum of its proper divisors (1).

234503513 is an equidigital number, since it uses as much as digits as its factorization.

234503513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 234503513 is about 15313.5075342000. The cubic root of 234503513 is about 616.6656878809.

Adding to 234503513 its reverse (315305432), we get a palindrome (549808945).

The spelling of 234503513 in words is "two hundred thirty-four million, five hundred three thousand, five hundred thirteen".