7945048225 has 9 divisors (see below), whose sum is σ = 9852412467. Its totient is φ = 6355682040.

The previous prime is 7945048219. The next prime is 7945048247. The reversal of 7945048225 is 5228405497.

The square root of 7945048225 is 89135.

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

It can be written as a sum of positive squares in only one way, i.e., 2860217361 + 5084830864 = 53481^2 + 71308^2 .

It is not a de Polignac number, because 7945048225 - 2¹⁵ = 7945015457 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 8 ways as a sum of consecutive naturals, for example, 436762 + ... + 454588.

Almost surely, 2^7945048225 is an apocalyptic number.

7945048225 is the 89135-th square number.

7945048225 is the 44568-th centered octagonal number.

It is an amenable number.

7945048225 is a deficient number, since it is larger than the sum of its proper divisors (1907364242).

7945048225 is an frugal number, since it uses more digits than its factorization.

7945048225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35664 (or 17832 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The cubic root of 7945048225 is about 1995.4101601595.

The spelling of 7945048225 in words is "seven billion, nine hundred forty-five million, forty-eight thousand, two hundred twenty-five".