1783795225 has 9 divisors (see below), whose sum is σ = 2212167967. Its totient is φ = 1426867240.

The previous prime is 1783795171. The next prime is 1783795301. The reversal of 1783795225 is 5225973871.

The square root of 1783795225 is 42235.

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., 642166281 + 1141628944 = 25341^2 + 33788^2 .

It is not a de Polignac number, because 1783795225 - 2¹⁵ = 1783762457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 206952 + ... + 215398.

Almost surely, 2^1783795225 is an apocalyptic number.

1783795225 is the 42235-th square number.

1783795225 is the 21118-th centered octagonal number.

It is an amenable number.

1783795225 is a deficient number, since it is larger than the sum of its proper divisors (428372742).

1783795225 is an frugal number, since it uses more digits than its factorization.

1783795225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16904 (or 8452 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 49.

The cubic root of 1783795225 is about 1212.7789927310.

Multiplying 1783795225 by its sum of digits (49), we get a square (87405966025 = 295645²).

The spelling of 1783795225 in words is "one billion, seven hundred eighty-three million, seven hundred ninety-five thousand, two hundred twenty-five".