7646517253 has 2 divisors, whose sum is σ = 7646517254. Its totient is φ = 7646517252.

The previous prime is 7646517247. The next prime is 7646517259. The reversal of 7646517253 is 3527156467.

It is a balanced prime because it is at equal distance from previous prime (7646517247) and next prime (7646517259).

It can be written as a sum of positive squares in only one way, i.e., 5737002049 + 1909515204 = 75743^2 + 43698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7646517253 is a prime.

It is a super-2 number, since 2×7646517253² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7646517259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3823258626 + 3823258627.

It is an arithmetic number, because the mean of its divisors is an integer number (3823258627).

Almost surely, 2^7646517253 is an apocalyptic number.

It is an amenable number.

7646517253 is a deficient number, since it is larger than the sum of its proper divisors (1).

7646517253 is an equidigital number, since it uses as much as digits as its factorization.

7646517253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 46.

The square root of 7646517253 is about 87444.3666167238. The cubic root of 7646517253 is about 1970.0982758226.

The spelling of 7646517253 in words is "seven billion, six hundred forty-six million, five hundred seventeen thousand, two hundred fifty-three".