481071391 has 8 divisors (see below), whose sum is σ = 486028400. Its totient is φ = 476124480.

The previous prime is 481071377. The next prime is 481071463. The reversal of 481071391 is 193170184.

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 481071391 - 2⁷ = 481071263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481071091) 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, 125755 + ... + 129523.

It is an arithmetic number, because the mean of its divisors is an integer number (60753550).

Almost surely, 2^481071391 is an apocalyptic number.

481071391 is a deficient number, since it is larger than the sum of its proper divisors (4957009).

481071391 is a wasteful number, since it uses less digits than its factorization.

481071391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 481071391 is about 21933.3397137782. The cubic root of 481071391 is about 783.5556445020. Note that the first 3 decimals are identical.

The spelling of 481071391 in words is "four hundred eighty-one million, seventy-one thousand, three hundred ninety-one".