234005513 has 4 divisors (see below), whose sum is σ = 267434880. Its totient is φ = 200576148.

The previous prime is 234005503. The next prime is 234005533. The reversal of 234005513 is 315500432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234005513 - 2⁶ = 234005449 is a prime.

It is a super-2 number, since 2×234005513² = 109517160228786338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234005503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16714673 + ... + 16714686.

It is an arithmetic number, because the mean of its divisors is an integer number (66858720).

Almost surely, 2^234005513 is an apocalyptic number.

It is an amenable number.

234005513 is a deficient number, since it is larger than the sum of its proper divisors (33429367).

234005513 is an equidigital number, since it uses as much as digits as its factorization.

234005513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33429366.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 234005513 is about 15297.2387377592. The cubic root of 234005513 is about 616.2288541144.

Adding to 234005513 its reverse (315500432), we get a palindrome (549505945).

The spelling of 234005513 in words is "two hundred thirty-four million, five thousand, five hundred thirteen".