40533013 has 2 divisors, whose sum is σ = 40533014. Its totient is φ = 40533012.

The previous prime is 40533011. The next prime is 40533037. The reversal of 40533013 is 31033504.

40533013 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., 32341969 + 8191044 = 5687^2 + 2862^2 .

It is a cyclic number.

It is not a de Polignac number, because 40533013 - 2¹ = 40533011 is a prime.

Together with 40533011, 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 (40533011) 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, 20266506 + 20266507.

It is an arithmetic number, because the mean of its divisors is an integer number (20266507).

Almost surely, 2^40533013 is an apocalyptic number.

It is an amenable number.

40533013 is a deficient number, since it is larger than the sum of its proper divisors (1).

40533013 is an equidigital number, since it uses as much as digits as its factorization.

40533013 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 19.

The square root of 40533013 is about 6366.5542485712. The cubic root of 40533013 is about 343.5075571804.

Adding to 40533013 its reverse (31033504), we get a palindrome (71566517).

The spelling of 40533013 in words is "forty million, five hundred thirty-three thousand, thirteen".