201450541 has 2 divisors, whose sum is σ = 201450542. Its totient is φ = 201450540.

The previous prime is 201450539. The next prime is 201450563. The reversal of 201450541 is 145054102.

It is an a-pointer prime, because the next prime (201450563) can be obtained adding 201450541 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191933316 + 9517225 = 13854^2 + 3085^2 .

It is a cyclic number.

It is not a de Polignac number, because 201450541 - 2¹ = 201450539 is a prime.

Together with 201450539, 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 (201450941) 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, 100725270 + 100725271.

It is an arithmetic number, because the mean of its divisors is an integer number (100725271).

Almost surely, 2^201450541 is an apocalyptic number.

It is an amenable number.

201450541 is a deficient number, since it is larger than the sum of its proper divisors (1).

201450541 is an equidigital number, since it uses as much as digits as its factorization.

201450541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 201450541 is about 14193.3273406908. The cubic root of 201450541 is about 586.2139459220.

The spelling of 201450541 in words is "two hundred one million, four hundred fifty thousand, five hundred forty-one".