8148631 has 2 divisors, whose sum is σ = 8148632. Its totient is φ = 8148630.

The previous prime is 8148589. The next prime is 8148641. The reversal of 8148631 is 1368418.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8148631 - 2¹³ = 8140439 is a prime.

It is a super-2 number, since 2×8148631² = 132800374348322, which contains 22 as substring.

8148631 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8148593 and 8148602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8148641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4074315 + 4074316.

It is an arithmetic number, because the mean of its divisors is an integer number (4074316).

Almost surely, 2^8148631 is an apocalyptic number.

8148631 is a deficient number, since it is larger than the sum of its proper divisors (1).

8148631 is an equidigital number, since it uses as much as digits as its factorization.

8148631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 31.

The square root of 8148631 is about 2854.5807047621. The cubic root of 8148631 is about 201.2309993249.

The spelling of 8148631 in words is "eight million, one hundred forty-eight thousand, six hundred thirty-one".