2250561785 has 16 divisors (see below), whose sum is σ = 2749896000. Its totient is φ = 1767711936.

The previous prime is 2250561769. The next prime is 2250561787. The reversal of 2250561785 is 5871650522.

It is a cyclic number.

It is not a de Polignac number, because 2250561785 - 2⁴ = 2250561769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2250561787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254366 + ... + 263064.

It is an arithmetic number, because the mean of its divisors is an integer number (171868500).

Almost surely, 2^2250561785 is an apocalyptic number.

It is an amenable number.

2250561785 is a deficient number, since it is larger than the sum of its proper divisors (499334215).

2250561785 is an equidigital number, since it uses as much as digits as its factorization.

2250561785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9640.

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 2250561785 is about 47440.0862667850. The cubic root of 2250561785 is about 1310.4797467849.

The spelling of 2250561785 in words is "two billion, two hundred fifty million, five hundred sixty-one thousand, seven hundred eighty-five".