2646051 has 4 divisors (see below), whose sum is σ = 3528072. Its totient is φ = 1764032.

The previous prime is 2646041. The next prime is 2646071. The reversal of 2646051 is 1506462.

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

It is a cyclic number.

It is not a de Polignac number, because 2646051 - 2⁵ = 2646019 is a prime.

It is a D-number.

2646051 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2646001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441006 + ... + 441011.

It is an arithmetic number, because the mean of its divisors is an integer number (882018).

2^2646051 is an apocalyptic number.

2646051 is a deficient number, since it is larger than the sum of its proper divisors (882021).

2646051 is an equidigital number, since it uses as much as digits as its factorization.

2646051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882020.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2646051 is about 1626.6686816927. The cubic root of 2646051 is about 138.3139773889.

The spelling of 2646051 in words is "two million, six hundred forty-six thousand, fifty-one".