2649653 has 4 divisors (see below), whose sum is σ = 2653068. Its totient is φ = 2646240.

The previous prime is 2649613. The next prime is 2649677. The reversal of 2649653 is 3569462.

2649653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1582564 + 1067089 = 1258^2 + 1033^2 .

It is a cyclic number.

It is not a de Polignac number, because 2649653 - 2⁸ = 2649397 is a prime.

It is a super-2 number, since 2×2649653² = 14041322040818, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 6 + 4⁹ + 9³ + 6⁷ + 5⁵ + 3⁸ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649613) 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 3 ways as a sum of consecutive naturals, for example, 83 + ... + 2303.

It is an arithmetic number, because the mean of its divisors is an integer number (663267).

2^2649653 is an apocalyptic number.

It is an amenable number.

2649653 is a deficient number, since it is larger than the sum of its proper divisors (3415).

2649653 is a wasteful number, since it uses less digits than its factorization.

2649653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414.

The product of its digits is 38880, while the sum is 35.

The square root of 2649653 is about 1627.7754759180. The cubic root of 2649653 is about 138.3767099984.

The spelling of 2649653 in words is "two million, six hundred forty-nine thousand, six hundred fifty-three".