2600266 has 4 divisors (see below), whose sum is σ = 3900402. Its totient is φ = 1300132.

The previous prime is 2600251. The next prime is 2600267. The reversal of 2600266 is 6620062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2265025 + 335241 = 1505^2 + 579^2 .

It is a super-2 number, since 2×2600266² = 13522766541512, which contains 22 as substring.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (2600267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650065 + ... + 650068.

2^2600266 is an apocalyptic number.

2600266 is a deficient number, since it is larger than the sum of its proper divisors (1300136).

2600266 is a wasteful number, since it uses less digits than its factorization.

2600266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300135.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2600266 is about 1612.5340306487. The cubic root of 2600266 is about 137.5115758849.

The spelling of 2600266 in words is "two million, six hundred thousand, two hundred sixty-six".