2552605 has 8 divisors (see below), whose sum is σ = 3341664. Its totient is φ = 1856400.

The previous prime is 2552603. The next prime is 2552611. The reversal of 2552605 is 5062552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2552605 - 2¹ = 2552603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2552605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552603) by changing a digit.

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, 23151 + ... + 23260.

It is an arithmetic number, because the mean of its divisors is an integer number (417708).

2^2552605 is an apocalyptic number.

It is an amenable number.

2552605 is a deficient number, since it is larger than the sum of its proper divisors (789059).

2552605 is a wasteful number, since it uses less digits than its factorization.

2552605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46427.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2552605 is about 1597.6873912002. The cubic root of 2552605 is about 136.6662271121. Note that the first 3 decimals are identical.

The spelling of 2552605 in words is "two million, five hundred fifty-two thousand, six hundred five".