43225751 has 2 divisors, whose sum is σ = 43225752. Its totient is φ = 43225750.

The previous prime is 43225733. The next prime is 43225771. The reversal of 43225751 is 15752234.

It is a happy number.

43225751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43225751 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43225771) 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, 21612875 + 21612876.

It is an arithmetic number, because the mean of its divisors is an integer number (21612876).

Almost surely, 2^43225751 is an apocalyptic number.

43225751 is a deficient number, since it is larger than the sum of its proper divisors (1).

43225751 is an equidigital number, since it uses as much as digits as its factorization.

43225751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 29.

The square root of 43225751 is about 6574.6293431645. The cubic root of 43225751 is about 350.9518336084.

Adding to 43225751 its reverse (15752234), we get a palindrome (58977985).

The spelling of 43225751 in words is "forty-three million, two hundred twenty-five thousand, seven hundred fifty-one".