233285149 has 2 divisors, whose sum is σ = 233285150. Its totient is φ = 233285148.

The previous prime is 233285147. The next prime is 233285153. The reversal of 233285149 is 941582332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134977924 + 98307225 = 11618^2 + 9915^2 .

It is a cyclic number.

It is not a de Polignac number, because 233285149 - 2¹ = 233285147 is a prime.

Together with 233285147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233285141) 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, 116642574 + 116642575.

It is an arithmetic number, because the mean of its divisors is an integer number (116642575).

Almost surely, 2^233285149 is an apocalyptic number.

It is an amenable number.

233285149 is a deficient number, since it is larger than the sum of its proper divisors (1).

233285149 is an equidigital number, since it uses as much as digits as its factorization.

233285149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 233285149 is about 15273.6750325519. The cubic root of 233285149 is about 615.5958699195.

The spelling of 233285149 in words is "two hundred thirty-three million, two hundred eighty-five thousand, one hundred forty-nine".