2665254213 has 10 divisors (see below), whose sum is σ = 3981429254. Its totient is φ = 1776836088.

The previous prime is 2665254199. The next prime is 2665254217. The reversal of 2665254213 is 3124525662.

2665254213 is a `hidden beast` number, since 2 + 66 + 52 + 542 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2648337444 + 16916769 = 51462^2 + 4113^2 .

It is not a de Polignac number, because 2665254213 - 2¹⁶ = 2665188677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665254217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16452106 + ... + 16452267.

Almost surely, 2^2665254213 is an apocalyptic number.

It is an amenable number.

2665254213 is a deficient number, since it is larger than the sum of its proper divisors (1316175041).

2665254213 is an equidigital number, since it uses as much as digits as its factorization.

2665254213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32904385 (or 32904376 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 2665254213 is about 51626.1001141864. The cubic root of 2665254213 is about 1386.4776702927.

Adding to 2665254213 its reverse (3124525662), we get a palindrome (5789779875).

The spelling of 2665254213 in words is "two billion, six hundred sixty-five million, two hundred fifty-four thousand, two hundred thirteen".