2665526 has 4 divisors (see below), whose sum is σ = 3998292. Its totient is φ = 1332762.

The previous prime is 2665513. The next prime is 2665547. The reversal of 2665526 is 6255662.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁴ + 6⁴ + 6⁵ + 5⁸ + 5⁹ + 2¹⁴ + 6⁷ .

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 2665492 and 2665501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666380 + ... + 666383.

It is an arithmetic number, because the mean of its divisors is an integer number (999573).

2^2665526 is an apocalyptic number.

2665526 is a deficient number, since it is larger than the sum of its proper divisors (1332766).

2665526 is a wasteful number, since it uses less digits than its factorization.

2665526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332765.

The product of its digits is 21600, while the sum is 32.

The square root of 2665526 is about 1632.6438680864. The cubic root of 2665526 is about 138.6524796979.

The spelling of 2665526 in words is "two million, six hundred sixty-five thousand, five hundred twenty-six".