481008191 has 4 divisors (see below), whose sum is σ = 492194472. Its totient is φ = 469821912.

The previous prime is 481008163. The next prime is 481008193. The reversal of 481008191 is 191800184.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 481008191 - 2⁶ = 481008127 is a prime.

It is a super-3 number, since 3×481008191³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481008193) 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, 5593076 + ... + 5593161.

It is an arithmetic number, because the mean of its divisors is an integer number (123048618).

Almost surely, 2^481008191 is an apocalyptic number.

481008191 is a deficient number, since it is larger than the sum of its proper divisors (11186281).

481008191 is a wasteful number, since it uses less digits than its factorization.

481008191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11186280.

The product of its (nonzero) digits is 2304, while the sum is 32.

The square root of 481008191 is about 21931.8989373925. The cubic root of 481008191 is about 783.5213302011.

The spelling of 481008191 in words is "four hundred eighty-one million, eight thousand, one hundred ninety-one".