7552218313 has 2 divisors, whose sum is σ = 7552218314. Its totient is φ = 7552218312.

The previous prime is 7552218307. The next prime is 7552218319. The reversal of 7552218313 is 3138122557.

It is a balanced prime because it is at equal distance from previous prime (7552218307) and next prime (7552218319).

It can be written as a sum of positive squares in only one way, i.e., 7483461049 + 68757264 = 86507^2 + 8292^2 .

It is a cyclic number.

It is not a de Polignac number, because 7552218313 - 2⁵ = 7552218281 is a prime.

It is the 86904-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (7552218319) by changing a digit.

It is a nontrivial repunit in base 86903.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3776109156 + 3776109157.

It is an arithmetic number, because the mean of its divisors is an integer number (3776109157).

Almost surely, 2^7552218313 is an apocalyptic number.

It is an amenable number.

7552218313 is a deficient number, since it is larger than the sum of its proper divisors (1).

7552218313 is an equidigital number, since it uses as much as digits as its factorization.

7552218313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The square root of 7552218313 is about 86903.5000043151. The cubic root of 7552218313 is about 1961.9661577325.

The spelling of 7552218313 in words is "seven billion, five hundred fifty-two million, two hundred eighteen thousand, three hundred thirteen".