2385052569 has 27 divisors (see below), whose sum is σ = 3508648767. Its totient is φ = 1561221216.

The previous prime is 2385052567. The next prime is 2385052651. The reversal of 2385052569 is 9652505832.

The square root of 2385052569 is 48837.

It is a perfect power (a square), and thus also a powerful number.

2385052569 is a `hidden beast` number, since 2 + 3 + 85 + 0 + 5 + 2 + 569 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1353872025 + 1031180544 = 36795^2 + 32112^2 .

It is not a de Polignac number, because 2385052569 - 2¹ = 2385052567 is a prime.

It is a super-2 number, since 2×2385052569² = 11376951513786999522, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2385052561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10695192 + ... + 10695414.

Almost surely, 2^2385052569 is an apocalyptic number.

2385052569 is the 48837-th square number.

2385052569 is the 24419-th centered octagonal number.

It is an amenable number.

2385052569 is a deficient number, since it is larger than the sum of its proper divisors (1123596198).

2385052569 is an frugal number, since it uses more digits than its factorization.

2385052569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The cubic root of 2385052569 is about 1336.0805811607.

The spelling of 2385052569 in words is "two billion, three hundred eighty-five million, fifty-two thousand, five hundred sixty-nine".