201555433 has 2 divisors, whose sum is σ = 201555434. Its totient is φ = 201555432.

The previous prime is 201555413. The next prime is 201555469. The reversal of 201555433 is 334555102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168688144 + 32867289 = 12988^2 + 5733^2 .

It is a cyclic number.

It is not a de Polignac number, because 201555433 - 2⁹ = 201554921 is a prime.

It is not a weakly prime, because it can be changed into another prime (201555413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100777716 + 100777717.

It is an arithmetic number, because the mean of its divisors is an integer number (100777717).

Almost surely, 2^201555433 is an apocalyptic number.

It is an amenable number.

201555433 is a deficient number, since it is larger than the sum of its proper divisors (1).

201555433 is an equidigital number, since it uses as much as digits as its factorization.

201555433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 201555433 is about 14197.0219764569. The cubic root of 201555433 is about 586.3156722711.

The spelling of 201555433 in words is "two hundred one million, five hundred fifty-five thousand, four hundred thirty-three".