2566250105 has 16 divisors (see below), whose sum is σ = 3316969920. Its totient is φ = 1899713088.

The previous prime is 2566250101. The next prime is 2566250171. The reversal of 2566250105 is 5010526652.

It is a cyclic number.

It is not a de Polignac number, because 2566250105 - 2² = 2566250101 is a prime.

It is a super-2 number, since 2×2566250105² = 13171279202825022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2566250101) 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, 310022 + ... + 318191.

It is an arithmetic number, because the mean of its divisors is an integer number (207310620).

Almost surely, 2^2566250105 is an apocalyptic number.

It is an amenable number.

2566250105 is a deficient number, since it is larger than the sum of its proper divisors (750719815).

2566250105 is a wasteful number, since it uses less digits than its factorization.

2566250105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628280.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 2566250105 is about 50658.1691832620. The cubic root of 2566250105 is about 1369.0931368531.

Adding to 2566250105 its reverse (5010526652), we get a palindrome (7576776757).

The spelling of 2566250105 in words is "two billion, five hundred sixty-six million, two hundred fifty thousand, one hundred five".