43253180191225 has 27 divisors (see below), whose sum is σ = 54530131138509. Its totient is φ = 34033710919200.

The previous prime is 43253180191201. The next prime is 43253180191241. The reversal of 43253180191225 is 52219108135234.

The square root of 43253180191225 is 6576715.

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 19923198258681 + 23329981932544 = 4463541^2 + 4830112^2 .

It is not a de Polignac number, because 43253180191225 - 2¹⁹ = 43253179666937 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, 2005887294 + ... + 2005908856.

Almost surely, 2^{43253180191225} is an apocalyptic number.

43253180191225 is the 6576715-th square number.

43253180191225 is the 3288358-th centered octagonal number.

It is an amenable number.

43253180191225 is a deficient number, since it is larger than the sum of its proper divisors (11276950947284).

43253180191225 is an frugal number, since it uses more digits than its factorization.

43253180191225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43258 (or 21629 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 43253180191225 in words is "forty-three trillion, two hundred fifty-three billion, one hundred eighty million, one hundred ninety-one thousand, two hundred twenty-five".