2649133 has 4 divisors (see below), whose sum is σ = 2713788. Its totient is φ = 2584480.

The previous prime is 2649109. The next prime is 2649137. The reversal of 2649133 is 3319462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3319462 = 2 ⋅1659731.

It can be written as a sum of positive squares in 2 ways, for example, as 393129 + 2256004 = 627^2 + 1502^2 .

It is a cyclic number.

It is not a de Polignac number, because 2649133 - 2¹³ = 2640941 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32266 + ... + 32347.

It is an arithmetic number, because the mean of its divisors is an integer number (678447).

2^2649133 is an apocalyptic number.

It is an amenable number.

2649133 is a deficient number, since it is larger than the sum of its proper divisors (64655).

2649133 is an equidigital number, since it uses as much as digits as its factorization.

2649133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64654.

The product of its digits is 3888, while the sum is 28.

The square root of 2649133 is about 1627.6157408922. The cubic root of 2649133 is about 138.3676571655.

The spelling of 2649133 in words is "two million, six hundred forty-nine thousand, one hundred thirty-three".