194570401 has 2 divisors, whose sum is σ = 194570402. Its totient is φ = 194570400.

The previous prime is 194570381. The next prime is 194570429. The reversal of 194570401 is 104075491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188925025 + 5645376 = 13745^2 + 2376^2 .

It is a cyclic number.

It is not a de Polignac number, because 194570401 - 2⁷ = 194570273 is a prime.

It is not a weakly prime, because it can be changed into another prime (194579401) 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, 97285200 + 97285201.

It is an arithmetic number, because the mean of its divisors is an integer number (97285201).

Almost surely, 2^194570401 is an apocalyptic number.

It is an amenable number.

194570401 is a deficient number, since it is larger than the sum of its proper divisors (1).

194570401 is an equidigital number, since it uses as much as digits as its factorization.

194570401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 194570401 is about 13948.8494507612. The cubic root of 194570401 is about 579.4628409589.

The spelling of 194570401 in words is "one hundred ninety-four million, five hundred seventy thousand, four hundred one".