2666254025 has 24 divisors (see below), whose sum is σ = 3335947200. Its totient is φ = 2113876800.

The previous prime is 2666253991. The next prime is 2666254033. The reversal of 2666254025 is 5204526662.

It is a de Polignac number, because none of the positive numbers 2^k-2666254025 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2666254025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1418036 + ... + 1419914.

It is an arithmetic number, because the mean of its divisors is an integer number (138997800).

Almost surely, 2^2666254025 is an apocalyptic number.

2666254025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2666254025 is a deficient number, since it is larger than the sum of its proper divisors (669693175).

2666254025 is a wasteful number, since it uses less digits than its factorization.

2666254025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 2666254025 is about 51635.7824091008. The cubic root of 2666254025 is about 1386.6510175736.

The spelling of 2666254025 in words is "two billion, six hundred sixty-six million, two hundred fifty-four thousand, twenty-five".