481251506 has 4 divisors (see below), whose sum is σ = 721877262. Its totient is φ = 240625752.

The previous prime is 481251473. The next prime is 481251523. The reversal of 481251506 is 605152184.

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

It can be written as a sum of positive squares in only one way, i.e., 444830281 + 36421225 = 21091^2 + 6035^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120312875 + ... + 120312878.

Almost surely, 2^481251506 is an apocalyptic number.

481251506 is a deficient number, since it is larger than the sum of its proper divisors (240625756).

481251506 is a wasteful number, since it uses less digits than its factorization.

481251506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240625755.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 481251506 is about 21937.4452933791. The cubic root of 481251506 is about 783.6534210607.

The spelling of 481251506 in words is "four hundred eighty-one million, two hundred fifty-one thousand, five hundred six".