43472413 has 2 divisors, whose sum is σ = 43472414. Its totient is φ = 43472412.

The previous prime is 43472371. The next prime is 43472431. The reversal of 43472413 is 31427434.

Together with next prime (43472431) 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., 26604964 + 16867449 = 5158^2 + 4107^2 .

It is a cyclic number.

It is not a de Polignac number, because 43472413 - 2¹³ = 43464221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43472113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21736206 + 21736207.

It is an arithmetic number, because the mean of its divisors is an integer number (21736207).

Almost surely, 2^43472413 is an apocalyptic number.

It is an amenable number.

43472413 is a deficient number, since it is larger than the sum of its proper divisors (1).

43472413 is an equidigital number, since it uses as much as digits as its factorization.

43472413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 28.

The square root of 43472413 is about 6593.3612823809. The cubic root of 43472413 is about 351.6181211736.

Adding to 43472413 its reverse (31427434), we get a palindrome (74899847).

The spelling of 43472413 in words is "forty-three million, four hundred seventy-two thousand, four hundred thirteen".