40301321 has 2 divisors, whose sum is σ = 40301322. Its totient is φ = 40301320.

The previous prime is 40301309. The next prime is 40301347. The reversal of 40301321 is 12310304.

40301321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29278921 + 11022400 = 5411^2 + 3320^2 .

It is a cyclic number.

It is not a de Polignac number, because 40301321 - 2¹⁰ = 40300297 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40301296 and 40301305.

It is not a weakly prime, because it can be changed into another prime (40301351) 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, 20150660 + 20150661.

It is an arithmetic number, because the mean of its divisors is an integer number (20150661).

Almost surely, 2^40301321 is an apocalyptic number.

It is an amenable number.

40301321 is a deficient number, since it is larger than the sum of its proper divisors (1).

40301321 is an equidigital number, since it uses as much as digits as its factorization.

40301321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 40301321 is about 6348.3321431696. The cubic root of 40301321 is about 342.8517947496.

Adding to 40301321 its reverse (12310304), we get a palindrome (52611625).

The spelling of 40301321 in words is "forty million, three hundred one thousand, three hundred twenty-one".