8254810381 has 2 divisors, whose sum is σ = 8254810382. Its totient is φ = 8254810380.

The previous prime is 8254810379. The next prime is 8254810387. The reversal of 8254810381 is 1830184528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7145320900 + 1109489481 = 84530^2 + 33309^2 .

It is a cyclic number.

It is not a de Polignac number, because 8254810381 - 2¹ = 8254810379 is a prime.

It is a super-2 number, since 2×8254810381² (a number of 21 digits) contains 22 as substring.

Together with 8254810379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8254810387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4127405190 + 4127405191.

It is an arithmetic number, because the mean of its divisors is an integer number (4127405191).

Almost surely, 2^8254810381 is an apocalyptic number.

It is an amenable number.

8254810381 is a deficient number, since it is larger than the sum of its proper divisors (1).

8254810381 is an equidigital number, since it uses as much as digits as its factorization.

8254810381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 8254810381 is about 90855.9870399304. The cubic root of 8254810381 is about 2021.0126593438.

It can be divided in two parts, 82548 and 10381, that added together give a palindrome (92929).

The spelling of 8254810381 in words is "eight billion, two hundred fifty-four million, eight hundred ten thousand, three hundred eighty-one".