2642653 has 12 divisors (see below), whose sum is σ = 3015840. Its totient is φ = 2308176.

The previous prime is 2642639. The next prime is 2642693. The reversal of 2642653 is 3562462.

It is a happy number.

2642653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2642653 - 2⁵ = 2642621 is a prime.

It is a super-2 number, since 2×2642653² = 13967229756818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642603) 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 11 ways as a sum of consecutive naturals, for example, 2800 + ... + 3622.

It is an arithmetic number, because the mean of its divisors is an integer number (251320).

2^2642653 is an apocalyptic number.

It is an amenable number.

2642653 is a deficient number, since it is larger than the sum of its proper divisors (373187).

2642653 is a wasteful number, since it uses less digits than its factorization.

2642653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 855 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 2642653 is about 1625.6238802380. The cubic root of 2642653 is about 138.2547454463.

The spelling of 2642653 in words is "two million, six hundred forty-two thousand, six hundred fifty-three".