8424131 has 2 divisors, whose sum is σ = 8424132. Its totient is φ = 8424130.

The previous prime is 8424121. The next prime is 8424137. The reversal of 8424131 is 1314248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8424131 - 2⁶ = 8424067 is a prime.

It is a super-2 number, since 2×8424131² = 141931966210322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8424097 and 8424106.

It is not a weakly prime, because it can be changed into another prime (8424137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4212065 + 4212066.

It is an arithmetic number, because the mean of its divisors is an integer number (4212066).

Almost surely, 2^8424131 is an apocalyptic number.

8424131 is a deficient number, since it is larger than the sum of its proper divisors (1).

8424131 is an equidigital number, since it uses as much as digits as its factorization.

8424131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 23.

The square root of 8424131 is about 2902.4353567306. The cubic root of 8424131 is about 203.4737412969.

Adding to 8424131 its reverse (1314248), we get a palindrome (9738379).

The spelling of 8424131 in words is "eight million, four hundred twenty-four thousand, one hundred thirty-one".