43150013 has 2 divisors, whose sum is σ = 43150014. Its totient is φ = 43150012.

The previous prime is 43149991. The next prime is 43150031. The reversal of 43150013 is 31005134.

Together with next prime (43150031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36457444 + 6692569 = 6038^2 + 2587^2 .

It is a cyclic number.

It is not a de Polignac number, because 43150013 - 2¹² = 43145917 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 43149973 and 43150000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43150033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21575006 + 21575007.

It is an arithmetic number, because the mean of its divisors is an integer number (21575007).

Almost surely, 2^43150013 is an apocalyptic number.

It is an amenable number.

43150013 is a deficient number, since it is larger than the sum of its proper divisors (1).

43150013 is an equidigital number, since it uses as much as digits as its factorization.

43150013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 43150013 is about 6568.8669494822. The cubic root of 43150013 is about 350.7467403575.

Adding to 43150013 its reverse (31005134), we get a palindrome (74155147).

The spelling of 43150013 in words is "forty-three million, one hundred fifty thousand, thirteen".