2630653 has 4 divisors (see below), whose sum is σ = 2634208. Its totient is φ = 2627100.

The previous prime is 2630627. The next prime is 2630681. The reversal of 2630653 is 3560362.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2630653 - 2¹³ = 2622461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630623) 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, 201 + ... + 2302.

It is an arithmetic number, because the mean of its divisors is an integer number (658552).

2^2630653 is an apocalyptic number.

It is an amenable number.

2630653 is a deficient number, since it is larger than the sum of its proper divisors (3555).

2630653 is a wasteful number, since it uses less digits than its factorization.

2630653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 2630653 is about 1621.9287900521. The cubic root of 2630653 is about 138.0451613025.

The spelling of 2630653 in words is "two million, six hundred thirty thousand, six hundred fifty-three".