43452543213425 has 24 divisors (see below), whose sum is σ = 55125700896000. Its totient is φ = 33968173524480.

The previous prime is 43452543213421. The next prime is 43452543213473. The reversal of 43452543213425 is 52431234525434.

It is not a de Polignac number, because 43452543213425 - 2² = 43452543213421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43452543213425.

It is not an unprimeable number, because it can be changed into a prime (43452543213421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113217125 + ... + 113600274.

It is an arithmetic number, because the mean of its divisors is an integer number (2296904204000).

Almost surely, 2^{43452543213425} is an apocalyptic number.

It is an amenable number.

43452543213425 is a deficient number, since it is larger than the sum of its proper divisors (11673157682575).

43452543213425 is a wasteful number, since it uses less digits than its factorization.

43452543213425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226817585 (or 226817580 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 47.

Adding to 43452543213425 its reverse (52431234525434), we get a palindrome (95883777738859).

The spelling of 43452543213425 in words is "forty-three trillion, four hundred fifty-two billion, five hundred forty-three million, two hundred thirteen thousand, four hundred twenty-five".