238321513 has 8 divisors (see below), whose sum is σ = 240120000. Its totient is φ = 236528208.

The previous prime is 238321493. The next prime is 238321529. The reversal of 238321513 is 315123832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238321513 - 2⁵ = 238321481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238321543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158238 + ... + 159736.

It is an arithmetic number, because the mean of its divisors is an integer number (30015000).

Almost surely, 2^238321513 is an apocalyptic number.

It is an amenable number.

238321513 is a deficient number, since it is larger than the sum of its proper divisors (1798487).

238321513 is a wasteful number, since it uses less digits than its factorization.

238321513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591.

The product of its digits is 4320, while the sum is 28.

The square root of 238321513 is about 15437.6653999237. The cubic root of 238321513 is about 619.9943747322.

The spelling of 238321513 in words is "two hundred thirty-eight million, three hundred twenty-one thousand, five hundred thirteen".