230456249 has 4 divisors (see below), whose sum is σ = 231276660. Its totient is φ = 229635840.

The previous prime is 230456179. The next prime is 230456257. The reversal of 230456249 is 942654032.

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 79780624 + 150675625 = 8932^2 + 12275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230456249 is a prime.

It is a super-2 number, since 2×230456249² = 106220165406300002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230456299) 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 3 ways as a sum of consecutive naturals, for example, 409784 + ... + 410345.

It is an arithmetic number, because the mean of its divisors is an integer number (57819165).

Almost surely, 2^230456249 is an apocalyptic number.

It is an amenable number.

230456249 is a deficient number, since it is larger than the sum of its proper divisors (820411).

230456249 is an equidigital number, since it uses as much as digits as its factorization.

230456249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820410.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 230456249 is about 15180.7855198603. The cubic root of 230456249 is about 613.0974309056.

The spelling of 230456249 in words is "two hundred thirty million, four hundred fifty-six thousand, two hundred forty-nine".