2630516 has 18 divisors (see below), whose sum is σ = 5355378. Its totient is φ = 1127280.

The previous prime is 2630501. The next prime is 2630521. The reversal of 2630516 is 6150362.

It can be written as a sum of positive squares in only one way, i.e., 2592100 + 38416 = 1610^2 + 196^2 .

It is a super-2 number, since 2×2630516² = 13839228852512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2630491 and 2630500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6515 + ... + 6906.

It is an arithmetic number, because the mean of its divisors is an integer number (297521).

2^2630516 is an apocalyptic number.

It is an amenable number.

2630516 is an abundant number, since it is smaller than the sum of its proper divisors (2724862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2630516 is a wasteful number, since it uses less digits than its factorization.

2630516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13439 (or 13430 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2630516 is about 1621.8865558355. The cubic root of 2630516 is about 138.0427648741.

Adding to 2630516 its reverse (6150362), we get a palindrome (8780878).

The spelling of 2630516 in words is "two million, six hundred thirty thousand, five hundred sixteen".