2620515213 has 8 divisors (see below), whose sum is σ = 3882244800. Its totient is φ = 1747010124.

The previous prime is 2620515211. The next prime is 2620515217. The reversal of 2620515213 is 3125150262.

It is a happy number.

2620515213 is a `hidden beast` number, since 2 + 620 + 5 + 15 + 21 + 3 = 666.

2620515213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2620515213 - 2¹ = 2620515211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 97056119 = 2620515213 / (2 + 6 + 2 + 0 + 5 + 1 + 5 + 2 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620515211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48528033 + ... + 48528086.

It is an arithmetic number, because the mean of its divisors is an integer number (485280600).

Almost surely, 2^2620515213 is an apocalyptic number.

It is an amenable number.

2620515213 is a deficient number, since it is larger than the sum of its proper divisors (1261729587).

2620515213 is an equidigital number, since it uses as much as digits as its factorization.

2620515213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97056128 (or 97056122 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2620515213 is about 51190.9680803167. The cubic root of 2620515213 is about 1378.6760411768.

Adding to 2620515213 its reverse (3125150262), we get a palindrome (5745665475).

The spelling of 2620515213 in words is "two billion, six hundred twenty million, five hundred fifteen thousand, two hundred thirteen".