40534093 has 2 divisors, whose sum is σ = 40534094. Its totient is φ = 40534092.

The previous prime is 40534037. The next prime is 40534099. The reversal of 40534093 is 39043504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40475044 + 59049 = 6362^2 + 243^2 .

It is a cyclic number.

It is not a de Polignac number, because 40534093 - 2¹⁷ = 40403021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40534099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20267046 + 20267047.

It is an arithmetic number, because the mean of its divisors is an integer number (20267047).

Almost surely, 2^40534093 is an apocalyptic number.

It is an amenable number.

40534093 is a deficient number, since it is larger than the sum of its proper divisors (1).

40534093 is an equidigital number, since it uses as much as digits as its factorization.

40534093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 40534093 is about 6366.6390662578. The cubic root of 40534093 is about 343.5106080669.

Adding to 40534093 its reverse (39043504), we get a palindrome (79577597).

The spelling of 40534093 in words is "forty million, five hundred thirty-four thousand, ninety-three".