1825566325 has 48 divisors (see below), whose sum is σ = 2523713472. Its totient is φ = 1309704000.

The previous prime is 1825566319. The next prime is 1825566329. The reversal of 1825566325 is 5236655281.

It is a de Polignac number, because none of the positive numbers 2^k-1825566325 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1825566329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2761495 + ... + 2762155.

It is an arithmetic number, because the mean of its divisors is an integer number (52577364).

Almost surely, 2^1825566325 is an apocalyptic number.

It is an amenable number.

1825566325 is a deficient number, since it is larger than the sum of its proper divisors (698147147).

1825566325 is an equidigital number, since it uses as much as digits as its factorization.

1825566325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 760 counting only the distinct ones).

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

The square root of 1825566325 is about 42726.6465452181. The cubic root of 1825566325 is about 1222.1725877992.

It can be divided in two parts, 182556 and 6325, that added together give a palindrome (188881).

The spelling of 1825566325 in words is "one billion, eight hundred twenty-five million, five hundred sixty-six thousand, three hundred twenty-five".