2620522213 has 8 divisors (see below), whose sum is σ = 2631713688. Its totient is φ = 2609343744.

The previous prime is 2620522187. The next prime is 2620522217. The reversal of 2620522213 is 3122250262.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10640644 + 2609881569 = 3262^2 + 51087^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2620522213 - 2¹³ = 2620514021 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 (2620522217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727545 + ... + 731137.

It is an arithmetic number, because the mean of its divisors is an integer number (328964211).

Almost surely, 2^2620522213 is an apocalyptic number.

It is an amenable number.

2620522213 is a deficient number, since it is larger than the sum of its proper divisors (11191475).

2620522213 is a wasteful number, since it uses less digits than its factorization.

2620522213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6503.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2620522213 is about 51191.0364517071. The cubic root of 2620522213 is about 1378.6772687629.

Adding to 2620522213 its reverse (3122250262), we get a palindrome (5742772475).

The spelling of 2620522213 in words is "two billion, six hundred twenty million, five hundred twenty-two thousand, two hundred thirteen".