2569989225 has 24 divisors (see below), whose sum is σ = 4251424320. Its totient is φ = 1369894720.

The previous prime is 2569989197. The next prime is 2569989271. The reversal of 2569989225 is 5229899652.

It is not a de Polignac number, because 2569989225 - 2⁸ = 2569988969 is a prime.

It is a super-2 number, since 2×2569989225² = 13209689233232201250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 141196 + ... + 158354.

It is an arithmetic number, because the mean of its divisors is an integer number (177142680).

Almost surely, 2^2569989225 is an apocalyptic number.

2569989225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2569989225 is a deficient number, since it is larger than the sum of its proper divisors (1681435095).

2569989225 is a wasteful number, since it uses less digits than its factorization.

2569989225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19169 (or 19164 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 57.

The square root of 2569989225 is about 50695.0611499779. The cubic root of 2569989225 is about 1369.7577537120.

The spelling of 2569989225 in words is "two billion, five hundred sixty-nine million, nine hundred eighty-nine thousand, two hundred twenty-five".