232273409 has 2 divisors, whose sum is σ = 232273410. Its totient is φ = 232273408.

The previous prime is 232273403. The next prime is 232273429. The reversal of 232273409 is 904372232.

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., 158055184 + 74218225 = 12572^2 + 8615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232273409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232273403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116136704 + 116136705.

It is an arithmetic number, because the mean of its divisors is an integer number (116136705).

Almost surely, 2^232273409 is an apocalyptic number.

It is an amenable number.

232273409 is a deficient number, since it is larger than the sum of its proper divisors (1).

232273409 is an equidigital number, since it uses as much as digits as its factorization.

232273409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 232273409 is about 15240.5186591533. The cubic root of 232273409 is about 614.7046494219.

The spelling of 232273409 in words is "two hundred thirty-two million, two hundred seventy-three thousand, four hundred nine".