2605215412 has 12 divisors (see below), whose sum is σ = 4604267556. Its totient is φ = 1289710400.

The previous prime is 2605215397. The next prime is 2605215413. The reversal of 2605215412 is 2145125062.

2605215412 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 1413308836 + 1191906576 = 37594^2 + 34524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605215413) 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, 3223873 + ... + 3224680.

It is an arithmetic number, because the mean of its divisors is an integer number (383688963).

Almost surely, 2^2605215412 is an apocalyptic number.

It is an amenable number.

2605215412 is a deficient number, since it is larger than the sum of its proper divisors (1999052144).

2605215412 is a wasteful number, since it uses less digits than its factorization.

2605215412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6448658 (or 6448656 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2605215412 is about 51041.3108373992. The cubic root of 2605215412 is about 1375.9876825617.

The spelling of 2605215412 in words is "two billion, six hundred five million, two hundred fifteen thousand, four hundred twelve".