433261 has 2 divisors, whose sum is σ = 433262. Its totient is φ = 433260.

The previous prime is 433259. The next prime is 433267. The reversal of 433261 is 162334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244036 + 189225 = 494^2 + 435^2 .

It is a cyclic number.

It is not a de Polignac number, because 433261 - 2¹ = 433259 is a prime.

Together with 433259, it forms a pair of twin primes.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (433267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216630 + 216631.

It is an arithmetic number, because the mean of its divisors is an integer number (216631).

2⁴³³²⁶¹ is an apocalyptic number.

It is an amenable number.

433261 is a deficient number, since it is larger than the sum of its proper divisors (1).

433261 is an equidigital number, since it uses as much as digits as its factorization.

433261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 19.

The square root of 433261 is about 658.2256452008. The cubic root of 433261 is about 75.6687452665.

Adding to 433261 its reverse (162334), we get a palindrome (595595).

The spelling of 433261 in words is "four hundred thirty-three thousand, two hundred sixty-one".