356871203371225 has 81 divisors (see below), whose sum is σ = 483767249750967. Its totient is φ = 261106142895360.

The previous prime is 356871203371213. The next prime is 356871203371351. The reversal of 356871203371225 is 522173302178653.

The square root of 356871203371225 is 18891035.

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 356503754028249 + 367449342976 = 18881307^2 + 606176^2 .

It is not a de Polignac number, because 356871203371225 - 2⁷ = 356871203371097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 52044797997 + ... + 52044804853.

Almost surely, 2^{356871203371225} is an apocalyptic number.

356871203371225 is the 18891035-th square number.

356871203371225 is the 9445518-th centered octagonal number.

It is an amenable number.

356871203371225 is a deficient number, since it is larger than the sum of its proper divisors (126896046379742).

356871203371225 is an frugal number, since it uses more digits than its factorization.

356871203371225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13820 (or 6910 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 356871203371225 in words is "three hundred fifty-six trillion, eight hundred seventy-one billion, two hundred three million, three hundred seventy-one thousand, two hundred twenty-five".