43253281225 has 36 divisors (see below), whose sum is σ = 68062549968. Its totient is φ = 26963076000.

The previous prime is 43253281133. The next prime is 43253281249. The reversal of 43253281225 is 52218235234.

It is not a de Polignac number, because 43253281225 - 2⁹ = 43253280713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1591471 + ... + 1618420.

It is an arithmetic number, because the mean of its divisors is an integer number (1890626388).

Almost surely, 2^43253281225 is an apocalyptic number.

It is an amenable number.

43253281225 is a deficient number, since it is larger than the sum of its proper divisors (24809268743).

43253281225 is a wasteful number, since it uses less digits than its factorization.

43253281225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209926 (or 3209914 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The spelling of 43253281225 in words is "forty-three billion, two hundred fifty-three million, two hundred eighty-one thousand, two hundred twenty-five".