1763278573225 has 81 divisors (see below), whose sum is σ = 2450148350949. Its totient is φ = 1258197595200.

The previous prime is 1763278573213. The next prime is 1763278573291. The reversal of 1763278573225 is 5223758723671.

The square root of 1763278573225 is 1327885.

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 454487660649 + 1308790912576 = 674157^2 + 1144024^2 .

It is not a de Polignac number, because 1763278573225 - 2¹³ = 1763278565033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1763278573225.

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, 2675687946 + ... + 2675688604.

Almost surely, 2^{1763278573225} is an apocalyptic number.

1763278573225 is the 1327885-th square number.

1763278573225 is the 663943-rd centered octagonal number.

It is an amenable number.

1763278573225 is a deficient number, since it is larger than the sum of its proper divisors (686869777724).

1763278573225 is an frugal number, since it uses more digits than its factorization.

1763278573225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 708 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 58.

The spelling of 1763278573225 in words is "one trillion, seven hundred sixty-three billion, two hundred seventy-eight million, five hundred seventy-three thousand, two hundred twenty-five".