230455251 has 24 divisors (see below), whose sum is σ = 361679136. Its totient is φ = 140555520.

The previous prime is 230455249. The next prime is 230455261. The reversal of 230455251 is 152554032.

It is a happy number.

It is not a de Polignac number, because 230455251 - 2¹ = 230455249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230455201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4506 + ... + 21936.

It is an arithmetic number, because the mean of its divisors is an integer number (15069964).

Almost surely, 2^230455251 is an apocalyptic number.

230455251 is a deficient number, since it is larger than the sum of its proper divisors (131223885).

230455251 is a wasteful number, since it uses less digits than its factorization.

230455251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17563 (or 17560 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 230455251 is about 15180.7526493254. The cubic root of 230455251 is about 613.0965458900.

The spelling of 230455251 in words is "two hundred thirty million, four hundred fifty-five thousand, two hundred fifty-one".