2666925 has 36 divisors (see below), whose sum is σ = 4964960. Its totient is φ = 1419120.

The previous prime is 2666891. The next prime is 2666929. The reversal of 2666925 is 5296662.

2666925 = 206² + 207² + ... + 255².

2666925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2666925 - 2⁶ = 2666861 is a prime.

It is a super-2 number, since 2×2666925² = 14224977911250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2666925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5856 + ... + 6294.

2^2666925 is an apocalyptic number.

2666925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2666925 is a deficient number, since it is larger than the sum of its proper divisors (2298035).

2666925 is an equidigital number, since it uses as much as digits as its factorization.

2666925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 447 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 2666925 is about 1633.0722580462. The cubic root of 2666925 is about 138.6767326838.

The spelling of 2666925 in words is "two million, six hundred sixty-six thousand, nine hundred twenty-five".