2740515121 has 2 divisors, whose sum is σ = 2740515122. Its totient is φ = 2740515120.

The previous prime is 2740515047. The next prime is 2740515133. The reversal of 2740515121 is 1215150472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2687385600 + 53129521 = 51840^2 + 7289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2740515121 - 2¹³ = 2740506929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2740515121.

It is not a weakly prime, because it can be changed into another prime (2740515181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1370257560 + 1370257561.

It is an arithmetic number, because the mean of its divisors is an integer number (1370257561).

Almost surely, 2^2740515121 is an apocalyptic number.

It is an amenable number.

2740515121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2740515121 is an equidigital number, since it uses as much as digits as its factorization.

2740515121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 2740515121 is about 52349.9295223976. The cubic root of 2740515121 is about 1399.4070824308.

Adding to 2740515121 its reverse (1215150472), we get a palindrome (3955665593).

The spelling of 2740515121 in words is "two billion, seven hundred forty million, five hundred fifteen thousand, one hundred twenty-one".