8252817919 has 2 divisors, whose sum is σ = 8252817920. Its totient is φ = 8252817918.

The previous prime is 8252817913. The next prime is 8252818037. The reversal of 8252817919 is 9197182528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8252817919 - 2⁹ = 8252817407 is a prime.

It is a super-2 number, since 2×8252817919² (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 (8252817913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4126408959 + 4126408960.

It is an arithmetic number, because the mean of its divisors is an integer number (4126408960).

Almost surely, 2^8252817919 is an apocalyptic number.

8252817919 is a deficient number, since it is larger than the sum of its proper divisors (1).

8252817919 is an equidigital number, since it uses as much as digits as its factorization.

8252817919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 52.

The square root of 8252817919 is about 90845.0214321071. The cubic root of 8252817919 is about 2020.8500424467.

The spelling of 8252817919 in words is "eight billion, two hundred fifty-two million, eight hundred seventeen thousand, nine hundred nineteen".