2625505 has 4 divisors (see below), whose sum is σ = 3150612. Its totient is φ = 2100400.

The previous prime is 2625503. The next prime is 2625521. The reversal of 2625505 is 5055262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 786769 + 1838736 = 887^2 + 1356^2 .

It is not a de Polignac number, because 2625505 - 2¹ = 2625503 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 2625505.

It is not an unprimeable number, because it can be changed into a prime (2625503) 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, 262546 + ... + 262555.

It is an arithmetic number, because the mean of its divisors is an integer number (787653).

2^2625505 is an apocalyptic number.

It is an amenable number.

2625505 is a deficient number, since it is larger than the sum of its proper divisors (525107).

2625505 is an equidigital number, since it uses as much as digits as its factorization.

2625505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525106.

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

The square root of 2625505 is about 1620.3410134907. The cubic root of 2625505 is about 137.9550543262.

The spelling of 2625505 in words is "two million, six hundred twenty-five thousand, five hundred five".