8140651 has 2 divisors, whose sum is σ = 8140652. Its totient is φ = 8140650.

The previous prime is 8140609. The next prime is 8140661. The reversal of 8140651 is 1560418.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8140651 - 2⁷ = 8140523 is a prime.

It is not a weakly prime, because it can be changed into another prime (8140661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070325 + 4070326.

It is an arithmetic number, because the mean of its divisors is an integer number (4070326).

Almost surely, 2^8140651 is an apocalyptic number.

8140651 is a deficient number, since it is larger than the sum of its proper divisors (1).

8140651 is an equidigital number, since it uses as much as digits as its factorization.

8140651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 8140651 is about 2853.1826089474. The cubic root of 8140651 is about 201.1652889883.

It can be divided in two parts, 8140 and 651, that multiplied together give a triangular number (5299140 = T₃₂₅₅).

The spelling of 8140651 in words is "eight million, one hundred forty thousand, six hundred fifty-one".