43675213 has 2 divisors, whose sum is σ = 43675214. Its totient is φ = 43675212.

The previous prime is 43675211. The next prime is 43675231. The reversal of 43675213 is 31257634.

Together with next prime (43675231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27175369 + 16499844 = 5213^2 + 4062^2 .

It is a cyclic number.

It is not a de Polignac number, because 43675213 - 2¹ = 43675211 is a prime.

Together with 43675211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43675211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21837606 + 21837607.

It is an arithmetic number, because the mean of its divisors is an integer number (21837607).

Almost surely, 2^43675213 is an apocalyptic number.

It is an amenable number.

43675213 is a deficient number, since it is larger than the sum of its proper divisors (1).

43675213 is an equidigital number, since it uses as much as digits as its factorization.

43675213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 43675213 is about 6608.7224937956. The cubic root of 43675213 is about 352.1640425347.

The spelling of 43675213 in words is "forty-three million, six hundred seventy-five thousand, two hundred thirteen".