233461409 has 2 divisors, whose sum is σ = 233461410. Its totient is φ = 233461408.

The previous prime is 233461387. The next prime is 233461429. The reversal of 233461409 is 904164332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221176384 + 12285025 = 14872^2 + 3505^2 .

It is a cyclic number.

It is not a de Polignac number, because 233461409 - 2²⁰ = 232412833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (233461429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116730704 + 116730705.

It is an arithmetic number, because the mean of its divisors is an integer number (116730705).

Almost surely, 2^233461409 is an apocalyptic number.

It is an amenable number.

233461409 is a deficient number, since it is larger than the sum of its proper divisors (1).

233461409 is an equidigital number, since it uses as much as digits as its factorization.

233461409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 233461409 is about 15279.4440016645. Note that the first 3 decimals coincide. The cubic root of 233461409 is about 615.7508699453.

The spelling of 233461409 in words is "two hundred thirty-three million, four hundred sixty-one thousand, four hundred nine".