1731073306225 has 12 divisors (see below), whose sum is σ = 2154169808460. Its totient is φ = 1379930316800.

The previous prime is 1731073306199. The next prime is 1731073306247. The reversal of 1731073306225 is 5226033701371.

It can be written as a sum of positive squares in 6 ways, for example, as 38243322481 + 1692829983744 = 195559^2 + 1301088^2 .

It is not a de Polignac number, because 1731073306225 - 2⁷ = 1731073306097 is a prime.

It is a super-2 number, since 2×1731073306225² (a number of 25 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 123201040 + ... + 123215089.

It is an arithmetic number, because the mean of its divisors is an integer number (179514150705).

Almost surely, 2^{1731073306225} is an apocalyptic number.

It is an amenable number.

1731073306225 is a deficient number, since it is larger than the sum of its proper divisors (423096502235).

1731073306225 is a wasteful number, since it uses less digits than its factorization.

1731073306225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246416420 (or 246416415 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 1731073306225 in words is "one trillion, seven hundred thirty-one billion, seventy-three million, three hundred six thousand, two hundred twenty-five".