43253945325 has 144 divisors (see below), whose sum is σ = 85341162816. Its totient is φ = 21642163200.

The previous prime is 43253945299. The next prime is 43253945333. The reversal of 43253945325 is 52354935234.

43253945325 is a `hidden beast` number, since 4 + 3 + 25 + 3 + 94 + 532 + 5 = 666.

It is not a de Polignac number, because 43253945325 - 2⁶ = 43253945261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 50707599 + ... + 50708451.

It is an arithmetic number, because the mean of its divisors is an integer number (592646964).

Almost surely, 2^43253945325 is an apocalyptic number.

43253945325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43253945325 is a deficient number, since it is larger than the sum of its proper divisors (42087217491).

43253945325 is a wasteful number, since it uses less digits than its factorization.

43253945325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386 (or 1369 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 45.

The spelling of 43253945325 in words is "forty-three billion, two hundred fifty-three million, nine hundred forty-five thousand, three hundred twenty-five".