40097311 has 2 divisors, whose sum is σ = 40097312. Its totient is φ = 40097310.

The previous prime is 40097293. The next prime is 40097327. The reversal of 40097311 is 11379004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40097311 - 2⁹ = 40096799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40097411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20048655 + 20048656.

It is an arithmetic number, because the mean of its divisors is an integer number (20048656).

Almost surely, 2^40097311 is an apocalyptic number.

40097311 is a deficient number, since it is larger than the sum of its proper divisors (1).

40097311 is an equidigital number, since it uses as much as digits as its factorization.

40097311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 40097311 is about 6332.2437571528. The cubic root of 40097311 is about 342.2722971919.

The spelling of 40097311 in words is "forty million, ninety-seven thousand, three hundred eleven".