40500101 has 2 divisors, whose sum is σ = 40500102. Its totient is φ = 40500100.

The previous prime is 40500071. The next prime is 40500107. The reversal of 40500101 is 10100504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39062500 + 1437601 = 6250^2 + 1199^2 .

It is a cyclic number.

It is not a de Polignac number, because 40500101 - 2¹⁴ = 40483717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40500107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20250050 + 20250051.

It is an arithmetic number, because the mean of its divisors is an integer number (20250051).

Almost surely, 2^40500101 is an apocalyptic number.

It is an amenable number.

40500101 is a deficient number, since it is larger than the sum of its proper divisors (1).

40500101 is an equidigital number, since it uses as much as digits as its factorization.

40500101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 40500101 is about 6363.9689659834. The cubic root of 40500101 is about 343.4145582377.

Adding to 40500101 its reverse (10100504), we get a palindrome (50600605).

The spelling of 40500101 in words is "forty million, five hundred thousand, one hundred one".