1783223925 has 216 divisors, whose sum is σ = 3853699776. Its totient is φ = 723824640.

The previous prime is 1783223903. The next prime is 1783223951. The reversal of 1783223925 is 5293223871.

It is not a de Polignac number, because 1783223925 - 2⁹ = 1783223413 is a prime.

It is a congruent 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 215 ways as a sum of consecutive naturals, for example, 24427689 + ... + 24427761.

Almost surely, 2^1783223925 is an apocalyptic number.

1783223925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1783223925 is an abundant number, since it is smaller than the sum of its proper divisors (2070475851).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1783223925 is a wasteful number, since it uses less digits than its factorization.

1783223925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 128 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 1783223925 is about 42228.2361104510. The cubic root of 1783223925 is about 1212.6495057790.

The spelling of 1783223925 in words is "one billion, seven hundred eighty-three million, two hundred twenty-three thousand, nine hundred twenty-five".