43485047 has 2 divisors, whose sum is σ = 43485048. Its totient is φ = 43485046.

The previous prime is 43484989. The next prime is 43485049. The reversal of 43485047 is 74058434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43485047 - 2¹⁶ = 43419511 is a prime.

Together with 43485049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 43484998 and 43485016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43485049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21742523 + 21742524.

It is an arithmetic number, because the mean of its divisors is an integer number (21742524).

Almost surely, 2^43485047 is an apocalyptic number.

43485047 is a deficient number, since it is larger than the sum of its proper divisors (1).

43485047 is an equidigital number, since it uses as much as digits as its factorization.

43485047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 43485047 is about 6594.3192976986. The cubic root of 43485047 is about 351.6521804215.

The spelling of 43485047 in words is "forty-three million, four hundred eighty-five thousand, forty-seven".