230355251 has 4 divisors (see below), whose sum is σ = 263263152. Its totient is φ = 197447352.

The previous prime is 230355233. The next prime is 230355263. The reversal of 230355251 is 152553032.

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

It is a cyclic number.

It is not a de Polignac number, because 230355251 - 2¹⁰ = 230354227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230355251.

It is not an unprimeable number, because it can be changed into a prime (230355751) 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 3 ways as a sum of consecutive naturals, for example, 16453940 + ... + 16453953.

It is an arithmetic number, because the mean of its divisors is an integer number (65815788).

Almost surely, 2^230355251 is an apocalyptic number.

230355251 is a deficient number, since it is larger than the sum of its proper divisors (32907901).

230355251 is an equidigital number, since it uses as much as digits as its factorization.

230355251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32907900.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 230355251 is about 15177.4586476129. The cubic root of 230355251 is about 613.0078540154.

The spelling of 230355251 in words is "two hundred thirty million, three hundred fifty-five thousand, two hundred fifty-one".