8141531 has 2 divisors, whose sum is σ = 8141532. Its totient is φ = 8141530.

The previous prime is 8141527. The next prime is 8141533. The reversal of 8141531 is 1351418.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8141531 - 2² = 8141527 is a prime.

It is a super-2 number, since 2×8141531² = 132569054047922, which contains 22 as substring.

Together with 8141533, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8141497 and 8141506.

It is not a weakly prime, because it can be changed into another prime (8141533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070765 + 4070766.

It is an arithmetic number, because the mean of its divisors is an integer number (4070766).

Almost surely, 2^8141531 is an apocalyptic number.

8141531 is a deficient number, since it is larger than the sum of its proper divisors (1).

8141531 is an equidigital number, since it uses as much as digits as its factorization.

8141531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 23.

The square root of 8141531 is about 2853.3368185337. The cubic root of 8141531 is about 201.1725373471.

Adding to 8141531 its reverse (1351418), we get a palindrome (9492949).

The spelling of 8141531 in words is "eight million, one hundred forty-one thousand, five hundred thirty-one".