894871651 has 2 divisors, whose sum is σ = 894871652. Its totient is φ = 894871650.

The previous prime is 894871609. The next prime is 894871661. The reversal of 894871651 is 156178498.

894871651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-894871651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 894871595 and 894871604.

It is not a weakly prime, because it can be changed into another prime (894871661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447435825 + 447435826.

It is an arithmetic number, because the mean of its divisors is an integer number (447435826).

Almost surely, 2^894871651 is an apocalyptic number.

894871651 is a deficient number, since it is larger than the sum of its proper divisors (1).

894871651 is an equidigital number, since it uses as much as digits as its factorization.

894871651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 49.

The square root of 894871651 is about 29914.4054094344. The cubic root of 894871651 is about 963.6520509116.

The spelling of 894871651 in words is "eight hundred ninety-four million, eight hundred seventy-one thousand, six hundred fifty-one".