2630505 has 16 divisors (see below), whose sum is σ = 4345344. Its totient is φ = 1357440.

The previous prime is 2630501. The next prime is 2630521. The reversal of 2630505 is 5050362.

It is not a de Polignac number, because 2630505 - 2² = 2630501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2630501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2364 + ... + 3293.

It is an arithmetic number, because the mean of its divisors is an integer number (271584).

2^2630505 is an apocalyptic number.

It is an amenable number.

2630505 is a deficient number, since it is larger than the sum of its proper divisors (1714839).

2630505 is a wasteful number, since it uses less digits than its factorization.

2630505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5696.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 2630505 is about 1621.8831647193. The cubic root of 2630505 is about 138.0425724565.

Adding to 2630505 its reverse (5050362), we get a palindrome (7680867).

The spelling of 2630505 in words is "two million, six hundred thirty thousand, five hundred five".