234668513 has 4 divisors (see below), whose sum is σ = 235675908. Its totient is φ = 233661120.

The previous prime is 234668479. The next prime is 234668549. The reversal of 234668513 is 315866432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36084049 + 198584464 = 6007^2 + 14092^2 .

It is a cyclic number.

It is not a de Polignac number, because 234668513 - 2⁸ = 234668257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (234668573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503348 + ... + 503813.

It is an arithmetic number, because the mean of its divisors is an integer number (58918977).

Almost surely, 2^234668513 is an apocalyptic number.

It is an amenable number.

234668513 is a deficient number, since it is larger than the sum of its proper divisors (1007395).

234668513 is a wasteful number, since it uses less digits than its factorization.

234668513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007394.

The product of its digits is 103680, while the sum is 38.

The square root of 234668513 is about 15318.8939874914. The cubic root of 234668513 is about 616.8102855493.

The spelling of 234668513 in words is "two hundred thirty-four million, six hundred sixty-eight thousand, five hundred thirteen".