43152505 has 16 divisors (see below), whose sum is σ = 56619648. Its totient is φ = 31312000.

The previous prime is 43152503. The next prime is 43152523. The reversal of 43152505 is 50525134.

43152505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43152505 - 2¹ = 43152503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43152505.

It is not an unprimeable number, because it can be changed into a prime (43152503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41340 + ... + 42370.

It is an arithmetic number, because the mean of its divisors is an integer number (3538728).

Almost surely, 2^43152505 is an apocalyptic number.

It is an amenable number.

43152505 is a deficient number, since it is larger than the sum of its proper divisors (13467143).

43152505 is a wasteful number, since it uses less digits than its factorization.

43152505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 43152505 is about 6569.0566293799. The cubic root of 43152505 is about 350.7534923373.

Adding to 43152505 its reverse (50525134), we get a palindrome (93677639).

The spelling of 43152505 in words is "forty-three million, one hundred fifty-two thousand, five hundred five".