2661513301 has 2 divisors, whose sum is σ = 2661513302. Its totient is φ = 2661513300.

The previous prime is 2661513299. The next prime is 2661513373. The reversal of 2661513301 is 1033151662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1699583076 + 961930225 = 41226^2 + 31015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2661513301 - 2¹ = 2661513299 is a prime.

Together with 2661513299, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2661513301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2661513601) 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 as a sum of consecutive naturals, namely, 1330756650 + 1330756651.

It is an arithmetic number, because the mean of its divisors is an integer number (1330756651).

Almost surely, 2^2661513301 is an apocalyptic number.

It is an amenable number.

2661513301 is a deficient number, since it is larger than the sum of its proper divisors (1).

2661513301 is an equidigital number, since it uses as much as digits as its factorization.

2661513301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2661513301 is about 51589.8565708415. The cubic root of 2661513301 is about 1385.8286866075.

Adding to 2661513301 its reverse (1033151662), we get a palindrome (3694664963).

The spelling of 2661513301 in words is "two billion, six hundred sixty-one million, five hundred thirteen thousand, three hundred one".