39540101 has 2 divisors, whose sum is σ = 39540102. Its totient is φ = 39540100.

The previous prime is 39540073. The next prime is 39540107. The reversal of 39540101 is 10104593.

It is a happy number.

39540101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28879876 + 10660225 = 5374^2 + 3265^2 .

It is a cyclic number.

It is not a de Polignac number, because 39540101 - 2¹⁰ = 39539077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39540107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19770050 + 19770051.

It is an arithmetic number, because the mean of its divisors is an integer number (19770051).

Almost surely, 2^39540101 is an apocalyptic number.

It is an amenable number.

39540101 is a deficient number, since it is larger than the sum of its proper divisors (1).

39540101 is an equidigital number, since it uses as much as digits as its factorization.

39540101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 39540101 is about 6288.0919999631. The cubic root of 39540101 is about 340.6794400656.

Adding to 39540101 its reverse (10104593), we get a palindrome (49644694).

The spelling of 39540101 in words is "thirty-nine million, five hundred forty thousand, one hundred one".