7052721517 has 2 divisors, whose sum is σ = 7052721518. Its totient is φ = 7052721516.

The previous prime is 7052721499. The next prime is 7052721521. The reversal of 7052721517 is 7151272507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5746549636 + 1306171881 = 75806^2 + 36141^2 .

It is an emirp because it is prime and its reverse (7151272507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7052721517 - 2²⁷ = 6918503789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7052722517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3526360758 + 3526360759.

It is an arithmetic number, because the mean of its divisors is an integer number (3526360759).

Almost surely, 2^7052721517 is an apocalyptic number.

It is an amenable number.

7052721517 is a deficient number, since it is larger than the sum of its proper divisors (1).

7052721517 is an equidigital number, since it uses as much as digits as its factorization.

7052721517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34300, while the sum is 37.

The square root of 7052721517 is about 83980.4829528861. The cubic root of 7052721517 is about 1917.7216824197.

The spelling of 7052721517 in words is "seven billion, fifty-two million, seven hundred twenty-one thousand, five hundred seventeen".