2608653 has 4 divisors (see below), whose sum is σ = 3478208. Its totient is φ = 1739100.

The previous prime is 2608649. The next prime is 2608663. The reversal of 2608653 is 3568062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2608653 - 2² = 2608649 is a prime.

It is a D-number.

It is a Duffinian number.

2608653 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2608653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2608663) 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, 434773 + ... + 434778.

It is an arithmetic number, because the mean of its divisors is an integer number (869552).

2^2608653 is an apocalyptic number.

It is an amenable number.

2608653 is a deficient number, since it is larger than the sum of its proper divisors (869555).

2608653 is an equidigital number, since it uses as much as digits as its factorization.

2608653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869554.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2608653 is about 1615.1325023044. The cubic root of 2608653 is about 137.6592622918.

The spelling of 2608653 in words is "two million, six hundred eight thousand, six hundred fifty-three".