230574989 has 2 divisors, whose sum is σ = 230574990. Its totient is φ = 230574988.

The previous prime is 230574983. The next prime is 230575001. The reversal of 230574989 is 989475032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137124100 + 93450889 = 11710^2 + 9667^2 .

It is a cyclic number.

It is not a de Polignac number, because 230574989 - 2¹⁶ = 230509453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230574983) 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, 115287494 + 115287495.

It is an arithmetic number, because the mean of its divisors is an integer number (115287495).

Almost surely, 2^230574989 is an apocalyptic number.

It is an amenable number.

230574989 is a deficient number, since it is larger than the sum of its proper divisors (1).

230574989 is an equidigital number, since it uses as much as digits as its factorization.

230574989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 230574989 is about 15184.6958810508. The cubic root of 230574989 is about 613.2027100201.

The spelling of 230574989 in words is "two hundred thirty million, five hundred seventy-four thousand, nine hundred eighty-nine".