8345651 has 2 divisors, whose sum is σ = 8345652. Its totient is φ = 8345650.

The previous prime is 8345633. The next prime is 8345663. The reversal of 8345651 is 1565438.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8345651 - 2¹⁰ = 8344627 is a prime.

It is a super-2 number, since 2×8345651² = 139299781227602, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8345621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4172825 + 4172826.

It is an arithmetic number, because the mean of its divisors is an integer number (4172826).

Almost surely, 2^8345651 is an apocalyptic number.

8345651 is a deficient number, since it is larger than the sum of its proper divisors (1).

8345651 is an equidigital number, since it uses as much as digits as its factorization.

8345651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 32.

The square root of 8345651 is about 2888.8840405942. The cubic root of 8345651 is about 202.8399087247.

The spelling of 8345651 in words is "eight million, three hundred forty-five thousand, six hundred fifty-one".