2500009266 has 16 divisors (see below), whose sum is σ = 5135154624. Its totient is φ = 810813744.

The previous prime is 2500009261. The next prime is 2500009271. The reversal of 2500009266 is 6629000052.

It is an interprime number because it is at equal distance from previous prime (2500009261) and next prime (2500009271).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2500009261) 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 7 ways as a sum of consecutive naturals, for example, 5630430 + ... + 5630873.

It is an arithmetic number, because the mean of its divisors is an integer number (320947164).

Almost surely, 2^2500009266 is an apocalyptic number.

2500009266 is an abundant number, since it is smaller than the sum of its proper divisors (2635145358).

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

2500009266 is a wasteful number, since it uses less digits than its factorization.

2500009266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11261345.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2500009266 is about 50000.0926599141. The cubic root of 2500009266 is about 1357.2104850816.

The spelling of 2500009266 in words is "two billion, five hundred million, nine thousand, two hundred sixty-six".