481006291 has 8 divisors (see below), whose sum is σ = 510428160. Its totient is φ = 452293512.

The previous prime is 481006247. The next prime is 481006297. The reversal of 481006291 is 192600184.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 481006291 - 2⁹ = 481005779 is a prime.

It is a super-3 number, since 3×481006291³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481006297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175875 + ... + 178588.

It is an arithmetic number, because the mean of its divisors is an integer number (63803520).

Almost surely, 2^481006291 is an apocalyptic number.

481006291 is a deficient number, since it is larger than the sum of its proper divisors (29421869).

481006291 is a wasteful number, since it uses less digits than its factorization.

481006291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354545.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 481006291 is about 21931.8556214471. The cubic root of 481006291 is about 783.5202985537.

The spelling of 481006291 in words is "four hundred eighty-one million, six thousand, two hundred ninety-one".