194064583 has 2 divisors, whose sum is σ = 194064584. Its totient is φ = 194064582.

The previous prime is 194064569. The next prime is 194064631. The reversal of 194064583 is 385460491.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194064583 is a prime.

It is a super-2 number, since 2×194064583² = 75322124749927778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194064083) 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, 97032291 + 97032292.

It is an arithmetic number, because the mean of its divisors is an integer number (97032292).

Almost surely, 2^194064583 is an apocalyptic number.

194064583 is a deficient number, since it is larger than the sum of its proper divisors (1).

194064583 is an equidigital number, since it uses as much as digits as its factorization.

194064583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 194064583 is about 13930.7064788545. The cubic root of 194064583 is about 578.9602686406.

The spelling of 194064583 in words is "one hundred ninety-four million, sixty-four thousand, five hundred eighty-three".