230597749 has 2 divisors, whose sum is σ = 230597750. Its totient is φ = 230597748.

The previous prime is 230597713. The next prime is 230597767. The reversal of 230597749 is 947795032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218832849 + 11764900 = 14793^2 + 3430^2 .

It is a cyclic number.

It is not a de Polignac number, because 230597749 - 2⁷ = 230597621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230597699 and 230597708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230597249) 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 as a sum of consecutive naturals, namely, 115298874 + 115298875.

It is an arithmetic number, because the mean of its divisors is an integer number (115298875).

Almost surely, 2^230597749 is an apocalyptic number.

It is an amenable number.

230597749 is a deficient number, since it is larger than the sum of its proper divisors (1).

230597749 is an equidigital number, since it uses as much as digits as its factorization.

230597749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 230597749 is about 15185.4453013404. The cubic root of 230597749 is about 613.2228857188. Note that the first 3 decimals are identical.

The spelling of 230597749 in words is "two hundred thirty million, five hundred ninety-seven thousand, seven hundred forty-nine".