481252091 has 4 divisors (see below), whose sum is σ = 496776384. Its totient is φ = 465727800.

The previous prime is 481252039. The next prime is 481252097. The reversal of 481252091 is 190252184.

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 481252091 - 2⁶ = 481252027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481252097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7762100 + ... + 7762161.

It is an arithmetic number, because the mean of its divisors is an integer number (124194096).

Almost surely, 2^481252091 is an apocalyptic number.

481252091 is a deficient number, since it is larger than the sum of its proper divisors (15524293).

481252091 is a wasteful number, since it uses less digits than its factorization.

481252091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15524292.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 481252091 is about 21937.4586267416. The cubic root of 481252091 is about 783.6537385919.

The spelling of 481252091 in words is "four hundred eighty-one million, two hundred fifty-two thousand, ninety-one".