2645012 has 6 divisors (see below), whose sum is σ = 4628778. Its totient is φ = 1322504.

The previous prime is 2645011. The next prime is 2645051. The reversal of 2645012 is 2105462.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2446096 + 198916 = 1564^2 + 446^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330623 + ... + 330630.

It is an arithmetic number, because the mean of its divisors is an integer number (771463).

2^2645012 is an apocalyptic number.

It is an amenable number.

2645012 is a deficient number, since it is larger than the sum of its proper divisors (1983766).

2645012 is a wasteful number, since it uses less digits than its factorization.

2645012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661257 (or 661255 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2645012 is about 1626.3492859776. The cubic root of 2645012 is about 138.2958715353.

It can be divided in two parts, 26450 and 12, that added together give a palindrome (26462).

The spelling of 2645012 in words is "two million, six hundred forty-five thousand, twelve".