230617257 has 32 divisors (see below), whose sum is σ = 357291648. Its totient is φ = 131030016.

The previous prime is 230617217. The next prime is 230617273. The reversal of 230617257 is 752716032.

It is not a de Polignac number, because 230617257 - 2¹⁶ = 230551721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230617217) 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 31 ways as a sum of consecutive naturals, for example, 31858 + ... + 38420.

It is an arithmetic number, because the mean of its divisors is an integer number (11165364).

Almost surely, 2^230617257 is an apocalyptic number.

It is an amenable number.

230617257 is a deficient number, since it is larger than the sum of its proper divisors (126674391).

230617257 is a wasteful number, since it uses less digits than its factorization.

230617257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6649.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 230617257 is about 15186.0876133387. The cubic root of 230617257 is about 613.2401776117.

The spelling of 230617257 in words is "two hundred thirty million, six hundred seventeen thousand, two hundred fifty-seven".