480861191 has 2 divisors, whose sum is σ = 480861192. Its totient is φ = 480861190.

The previous prime is 480861179. The next prime is 480861223. The reversal of 480861191 is 191168084.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 480861191 - 2⁶ = 480861127 is a prime.

It is a super-3 number, since 3×480861191³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (480861091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240430595 + 240430596.

It is an arithmetic number, because the mean of its divisors is an integer number (240430596).

Almost surely, 2^480861191 is an apocalyptic number.

480861191 is a deficient number, since it is larger than the sum of its proper divisors (1).

480861191 is an equidigital number, since it uses as much as digits as its factorization.

480861191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 480861191 is about 21928.5473983116. The cubic root of 480861191 is about 783.4415052468.

The spelling of 480861191 in words is "four hundred eighty million, eight hundred sixty-one thousand, one hundred ninety-one".