40567951 has 2 divisors, whose sum is σ = 40567952. Its totient is φ = 40567950.

The previous prime is 40567931. The next prime is 40567957. The reversal of 40567951 is 15976504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40567951 - 2¹³ = 40559759 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40567951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40567957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20283975 + 20283976.

It is an arithmetic number, because the mean of its divisors is an integer number (20283976).

Almost surely, 2^40567951 is an apocalyptic number.

40567951 is a deficient number, since it is larger than the sum of its proper divisors (1).

40567951 is an equidigital number, since it uses as much as digits as its factorization.

40567951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 40567951 is about 6369.2975279853. The cubic root of 40567951 is about 343.6062258911.

The spelling of 40567951 in words is "forty million, five hundred sixty-seven thousand, nine hundred fifty-one".