230449409 has 2 divisors, whose sum is σ = 230449410. Its totient is φ = 230449408.

The previous prime is 230449301. The next prime is 230449421. The reversal of 230449409 is 904944032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188238400 + 42211009 = 13720^2 + 6497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230449409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230449469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115224704 + 115224705.

It is an arithmetic number, because the mean of its divisors is an integer number (115224705).

Almost surely, 2^230449409 is an apocalyptic number.

It is an amenable number.

230449409 is a deficient number, since it is larger than the sum of its proper divisors (1).

230449409 is an equidigital number, since it uses as much as digits as its factorization.

230449409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 230449409 is about 15180.5602334038. The cubic root of 230449409 is about 613.0913652164.

The spelling of 230449409 in words is "two hundred thirty million, four hundred forty-nine thousand, four hundred nine".