2785445325 has 216 divisors, whose sum is σ = 5947119360. Its totient is φ = 1240012800.

The previous prime is 2785445321. The next prime is 2785445339. The reversal of 2785445325 is 5235445872.

2785445325 is a `hidden beast` number, since 2 + 78 + 5 + 44 + 532 + 5 = 666.

It is not a de Polignac number, because 2785445325 - 2² = 2785445321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2785445321) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 20039106 + ... + 20039244.

It is an arithmetic number, because the mean of its divisors is an integer number (27532960).

Almost surely, 2^2785445325 is an apocalyptic number.

2785445325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2785445325 is an abundant number, since it is smaller than the sum of its proper divisors (3161674035).

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

2785445325 is a wasteful number, since it uses less digits than its factorization.

2785445325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 208 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 45.

The square root of 2785445325 is about 52777.3182816255. The cubic root of 2785445325 is about 1407.0133325402.

The spelling of 2785445325 in words is "two billion, seven hundred eighty-five million, four hundred forty-five thousand, three hundred twenty-five".