43325554306225 has 27 divisors (see below), whose sum is σ = 54254585450529. Its totient is φ = 34321248741600.

The previous prime is 43325554306193. The next prime is 43325554306261. The reversal of 43325554306225 is 52260345552334.

The square root of 43325554306225 is 6582215.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 488110425201 + 42837443881024 = 698649^2 + 6545032^2 .

It is not a de Polignac number, because 43325554306225 - 2⁵ = 43325554306193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3389834335 + ... + 3389847115.

Almost surely, 2^{43325554306225} is an apocalyptic number.

43325554306225 is the 6582215-th square number.

43325554306225 is the 3291108-th centered octagonal number.

It is an amenable number.

43325554306225 is a deficient number, since it is larger than the sum of its proper divisors (10929031144304).

43325554306225 is an frugal number, since it uses more digits than its factorization.

43325554306225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25778 (or 12889 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 49.

Adding to 43325554306225 its reverse (52260345552334), we get a palindrome (95585899858559).

The spelling of 43325554306225 in words is "forty-three trillion, three hundred twenty-five billion, five hundred fifty-four million, three hundred six thousand, two hundred twenty-five".