2601270405 has 24 divisors (see below), whose sum is σ = 4532245848. Its totient is φ = 1380151296.

The previous prime is 2601270403. The next prime is 2601270433. The reversal of 2601270405 is 5040721062.

It can be written as a sum of positive squares in 4 ways, for example, as 6081156 + 2595189249 = 2466^2 + 50943^2 .

It is not a de Polignac number, because 2601270405 - 2¹ = 2601270403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601270403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141072 + ... + 158441.

It is an arithmetic number, because the mean of its divisors is an integer number (188843577).

Almost surely, 2^2601270405 is an apocalyptic number.

It is an amenable number.

2601270405 is a deficient number, since it is larger than the sum of its proper divisors (1930975443).

2601270405 is a wasteful number, since it uses less digits than its factorization.

2601270405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299717 (or 299714 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2601270405 is about 51002.6509605138. The cubic root of 2601270405 is about 1375.2927914229.

Adding to 2601270405 its reverse (5040721062), we get a palindrome (7641991467).

The spelling of 2601270405 in words is "two billion, six hundred one million, two hundred seventy thousand, four hundred five".