194254481 has 4 divisors (see below), whose sum is σ = 202700352. Its totient is φ = 185808612.

The previous prime is 194254453. The next prime is 194254519. The reversal of 194254481 is 184452491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194254481 is a prime.

It is a super-2 number, since 2×194254481² = 75469606777158722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194254421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4222901 + ... + 4222946.

It is an arithmetic number, because the mean of its divisors is an integer number (50675088).

Almost surely, 2^194254481 is an apocalyptic number.

It is an amenable number.

194254481 is a deficient number, since it is larger than the sum of its proper divisors (8445871).

194254481 is an equidigital number, since it uses as much as digits as its factorization.

194254481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445870.

The product of its digits is 46080, while the sum is 38.

The square root of 194254481 is about 13937.5206188188. The cubic root of 194254481 is about 579.1490503921.

The spelling of 194254481 in words is "one hundred ninety-four million, two hundred fifty-four thousand, four hundred eighty-one".