481231533 has 16 divisors (see below), whose sum is σ = 660773696. Its totient is φ = 311351040.

The previous prime is 481231523. The next prime is 481231559. The reversal of 481231533 is 335132184.

It is not a de Polignac number, because 481231533 - 2¹⁷ = 481100461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 481231533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481231523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8373 + ... + 32133.

It is an arithmetic number, because the mean of its divisors is an integer number (41298356).

Almost surely, 2^481231533 is an apocalyptic number.

481231533 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

481231533 is a deficient number, since it is larger than the sum of its proper divisors (179542163).

481231533 is a wasteful number, since it uses less digits than its factorization.

481231533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23964.

The product of its digits is 8640, while the sum is 30.

The square root of 481231533 is about 21936.9900624493. The cubic root of 481231533 is about 783.6425797951.

The spelling of 481231533 in words is "four hundred eighty-one million, two hundred thirty-one thousand, five hundred thirty-three".