40097293 has 2 divisors, whose sum is σ = 40097294. Its totient is φ = 40097292.

The previous prime is 40097263. The next prime is 40097311. The reversal of 40097293 is 39279004.

40097293 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., 39980329 + 116964 = 6323^2 + 342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40097293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40097263) 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, 20048646 + 20048647.

It is an arithmetic number, because the mean of its divisors is an integer number (20048647).

Almost surely, 2^40097293 is an apocalyptic number.

It is an amenable number.

40097293 is a deficient number, since it is larger than the sum of its proper divisors (1).

40097293 is an equidigital number, since it uses as much as digits as its factorization.

40097293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 40097293 is about 6332.2423358554. The cubic root of 40097293 is about 342.2722459756.

The spelling of 40097293 in words is "forty million, ninety-seven thousand, two hundred ninety-three".