43275451 has 2 divisors, whose sum is σ = 43275452. Its totient is φ = 43275450.

The previous prime is 43275439. The next prime is 43275461. The reversal of 43275451 is 15457234.

43275451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43275451 is a prime.

It is not a weakly prime, because it can be changed into another prime (43275461) 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, 21637725 + 21637726.

It is an arithmetic number, because the mean of its divisors is an integer number (21637726).

Almost surely, 2^43275451 is an apocalyptic number.

43275451 is a deficient number, since it is larger than the sum of its proper divisors (1).

43275451 is an equidigital number, since it uses as much as digits as its factorization.

43275451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 31.

The square root of 43275451 is about 6578.4079380957. The cubic root of 43275451 is about 351.0862876091.

The spelling of 43275451 in words is "forty-three million, two hundred seventy-five thousand, four hundred fifty-one".