8641070531 has 2 divisors, whose sum is σ = 8641070532. Its totient is φ = 8641070530.

The previous prime is 8641070483. The next prime is 8641070533. The reversal of 8641070531 is 1350701468.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8641070531 - 2¹⁸ = 8640808387 is a prime.

It is a super-2 number, since 2×8641070531² (a number of 21 digits) contains 22 as substring.

Together with 8641070533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8641070491 and 8641070500.

It is not a weakly prime, because it can be changed into another prime (8641070533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4320535265 + 4320535266.

It is an arithmetic number, because the mean of its divisors is an integer number (4320535266).

Almost surely, 2^8641070531 is an apocalyptic number.

8641070531 is a deficient number, since it is larger than the sum of its proper divisors (1).

8641070531 is an equidigital number, since it uses as much as digits as its factorization.

8641070531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 8641070531 is about 92957.3586705216. The cubic root of 8641070531 is about 2052.0558816907.

Adding to 8641070531 its reverse (1350701468), we get a palindrome (9991771999).

The spelling of 8641070531 in words is "eight billion, six hundred forty-one million, seventy thousand, five hundred thirty-one".