2512665 has 12 divisors (see below), whose sum is σ = 4355364. Its totient is φ = 1340064.

The previous prime is 2512661. The next prime is 2512673. The reversal of 2512665 is 5662152.

2512665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1320201 + 1192464 = 1149^2 + 1092^2 .

It is not a de Polignac number, because 2512665 - 2² = 2512661 is a prime.

2512665 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2512661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27874 + ... + 27963.

It is an arithmetic number, because the mean of its divisors is an integer number (362947).

2^2512665 is an apocalyptic number.

It is an amenable number.

2512665 is a deficient number, since it is larger than the sum of its proper divisors (1842699).

2512665 is a wasteful number, since it uses less digits than its factorization.

2512665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55848 (or 55845 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2512665 is about 1585.1387951848. The cubic root of 2512665 is about 135.9496822218.

It can be divided in two parts, 251 and 2665, that added together give a square (2916 = 54²).

The spelling of 2512665 in words is "two million, five hundred twelve thousand, six hundred sixty-five".