3318354073225 has 81 divisors (see below), whose sum is σ = 4533098715327. Its totient is φ = 2409105000960.

The previous prime is 3318354073171. The next prime is 3318354073267. The reversal of 3318354073225 is 5223704538133.

The square root of 3318354073225 is 1821635.

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

It can be written as a sum of positive squares in 13 ways, for example, as 1081127891529 + 2237226181696 = 1039773^2 + 1495736^2 .

It is not a de Polignac number, because 3318354073225 - 2²³ = 3318345684617 is a prime.

It is a super-2 number, since 2×3318354073225² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 4490329906 + ... + 4490330644.

Almost surely, 2^{3318354073225} is an apocalyptic number.

3318354073225 is the 1821635-th square number.

3318354073225 is the 910818-th centered octagonal number.

It is an amenable number.

3318354073225 is a deficient number, since it is larger than the sum of its proper divisors (1214744642102).

3318354073225 is an frugal number, since it uses more digits than its factorization.

3318354073225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 3318354073225 in words is "three trillion, three hundred eighteen billion, three hundred fifty-four million, seventy-three thousand, two hundred twenty-five".