2552630 has 16 divisors (see below), whose sum is σ = 4719600. Its totient is φ = 993312.

The previous prime is 2552629. The next prime is 2552647. The reversal of 2552630 is 362552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2552596 and 2552605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3080 + ... + 3819.

It is an arithmetic number, because the mean of its divisors is an integer number (294975).

2^2552630 is an apocalyptic number.

2552630 is a deficient number, since it is larger than the sum of its proper divisors (2166970).

2552630 is a wasteful number, since it uses less digits than its factorization.

2552630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6943.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2552630 is about 1597.6952149894. The cubic root of 2552630 is about 136.6666732765. Note that the first 4 decimals are identical.

The spelling of 2552630 in words is "two million, five hundred fifty-two thousand, six hundred thirty".