1254904050625 has 15 divisors (see below), whose sum is σ = 1568163098271. Its totient is φ = 1003900836000.

The previous prime is 1254904050583. The next prime is 1254904050643. The reversal of 1254904050625 is 5260504094521.

The square root of 1254904050625 is 1120225.

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

It can be written as a sum of positive squares in 7 ways, for example, as 718939497409 + 535964553216 = 847903^2 + 732096^2 .

It is not a de Polignac number, because 1254904050625 - 2¹¹ = 1254904048577 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 (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 27983221 + ... + 28028029.

Almost surely, 2^{1254904050625} is an apocalyptic number.

1254904050625 is the 1120225-th square number.

1254904050625 is the 560113-rd centered octagonal number.

It is an amenable number.

1254904050625 is a deficient number, since it is larger than the sum of its proper divisors (313259047646).

1254904050625 is an frugal number, since it uses more digits than its factorization.

1254904050625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89638 (or 44814 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 1254904050625 in words is "one trillion, two hundred fifty-four billion, nine hundred four million, fifty thousand, six hundred twenty-five".