43040951 has 2 divisors, whose sum is σ = 43040952. Its totient is φ = 43040950.

The previous prime is 43040941. The next prime is 43040969. The reversal of 43040951 is 15904034.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43040951 - 2⁶ = 43040887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43040951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43040911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21520475 + 21520476.

It is an arithmetic number, because the mean of its divisors is an integer number (21520476).

Almost surely, 2^43040951 is an apocalyptic number.

43040951 is a deficient number, since it is larger than the sum of its proper divisors (1).

43040951 is an equidigital number, since it uses as much as digits as its factorization.

43040951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 43040951 is about 6560.5602657090. The cubic root of 43040951 is about 350.4509859877.

Adding to 43040951 its reverse (15904034), we get a palindrome (58944985).

The spelling of 43040951 in words is "forty-three million, forty thousand, nine hundred fifty-one".