43472503 has 2 divisors, whose sum is σ = 43472504. Its totient is φ = 43472502.

The previous prime is 43472501. The next prime is 43472531. The reversal of 43472503 is 30527434.

It is an a-pointer prime, because the next prime (43472531) can be obtained adding 43472503 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43472503 - 2¹ = 43472501 is a prime.

Together with 43472501, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43472501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21736251 + 21736252.

It is an arithmetic number, because the mean of its divisors is an integer number (21736252).

Almost surely, 2^43472503 is an apocalyptic number.

43472503 is a deficient number, since it is larger than the sum of its proper divisors (1).

43472503 is an equidigital number, since it uses as much as digits as its factorization.

43472503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 43472503 is about 6593.3681074243. The cubic root of 43472503 is about 351.6183638226.

Adding to 43472503 its reverse (30527434), we get a palindrome (73999937).

The spelling of 43472503 in words is "forty-three million, four hundred seventy-two thousand, five hundred three".