894252791 has 2 divisors, whose sum is σ = 894252792. Its totient is φ = 894252790.

The previous prime is 894252721. The next prime is 894252833. The reversal of 894252791 is 197252498.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 894252791 - 2²² = 890058487 is a prime.

It is a super-2 number, since 2×894252791² = 1599376108422579362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (894252721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447126395 + 447126396.

It is an arithmetic number, because the mean of its divisors is an integer number (447126396).

Almost surely, 2^894252791 is an apocalyptic number.

894252791 is a deficient number, since it is larger than the sum of its proper divisors (1).

894252791 is an equidigital number, since it uses as much as digits as its factorization.

894252791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 47.

The square root of 894252791 is about 29904.0597745524. The cubic root of 894252791 is about 963.4298576935.

The spelling of 894252791 in words is "eight hundred ninety-four million, two hundred fifty-two thousand, seven hundred ninety-one".