654214057225 has 27 divisors (see below), whose sum is σ = 821538505813. Its totient is φ = 516800270240.

The previous prime is 654214057207. The next prime is 654214057241. The reversal of 654214057225 is 522750412456.

The square root of 654214057225 is 808835.

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 22494300361 + 631719756864 = 149981^2 + 794808^2 .

It is not a de Polignac number, because 654214057225 - 2¹⁷ = 654213926153 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, 335665551 + ... + 335667499.

Almost surely, 2^654214057225 is an apocalyptic number.

654214057225 is the 808835-th square number.

654214057225 is the 404418-th centered octagonal number.

It is an amenable number.

654214057225 is a deficient number, since it is larger than the sum of its proper divisors (167324448588).

654214057225 is an frugal number, since it uses more digits than its factorization.

654214057225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 654214057225 in words is "six hundred fifty-four billion, two hundred fourteen million, fifty-seven thousand, two hundred twenty-five".