433720061 has 2 divisors, whose sum is σ = 433720062. Its totient is φ = 433720060.

The previous prime is 433720057. The next prime is 433720073. The reversal of 433720061 is 160027334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 364580836 + 69139225 = 19094^2 + 8315^2 .

It is a cyclic number.

It is not a de Polignac number, because 433720061 - 2² = 433720057 is a prime.

It is a super-2 number, since 2×433720061² = 376226182627687442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 433720061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (433723061) 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, 216860030 + 216860031.

It is an arithmetic number, because the mean of its divisors is an integer number (216860031).

Almost surely, 2^433720061 is an apocalyptic number.

It is an amenable number.

433720061 is a deficient number, since it is larger than the sum of its proper divisors (1).

433720061 is an equidigital number, since it uses as much as digits as its factorization.

433720061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 433720061 is about 20825.9468212132. The cubic root of 433720061 is about 756.9546073260.

Adding to 433720061 its reverse (160027334), we get a palindrome (593747395).

The spelling of 433720061 in words is "four hundred thirty-three million, seven hundred twenty thousand, sixty-one".