40937431 has 2 divisors, whose sum is σ = 40937432. Its totient is φ = 40937430.

The previous prime is 40937417. The next prime is 40937437. The reversal of 40937431 is 13473904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40937431 - 2⁹ = 40936919 is a prime.

It is a super-2 number, since 2×40937431² = 3351746513759522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40937393 and 40937402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40937437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20468715 + 20468716.

It is an arithmetic number, because the mean of its divisors is an integer number (20468716).

Almost surely, 2^40937431 is an apocalyptic number.

40937431 is a deficient number, since it is larger than the sum of its proper divisors (1).

40937431 is an equidigital number, since it uses as much as digits as its factorization.

40937431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 40937431 is about 6398.2365539264. The cubic root of 40937431 is about 344.6462270070.

The spelling of 40937431 in words is "forty million, nine hundred thirty-seven thousand, four hundred thirty-one".