94025809 has 2 divisors, whose sum is σ = 94025810. Its totient is φ = 94025808.

The previous prime is 94025807. The next prime is 94025819. The reversal of 94025809 is 90852049.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92929600 + 1096209 = 9640^2 + 1047^2 .

It is a cyclic number.

It is not a de Polignac number, because 94025809 - 2¹ = 94025807 is a prime.

Together with 94025807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (94025807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47012904 + 47012905.

It is an arithmetic number, because the mean of its divisors is an integer number (47012905).

Almost surely, 2^94025809 is an apocalyptic number.

It is an amenable number.

94025809 is a deficient number, since it is larger than the sum of its proper divisors (1).

94025809 is an equidigital number, since it uses as much as digits as its factorization.

94025809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 94025809 is about 9696.6906210315. The cubic root of 94025809 is about 454.7252037927.

The spelling of 94025809 in words is "ninety-four million, twenty-five thousand, eight hundred nine".