481993403 has 2 divisors, whose sum is σ = 481993404. Its totient is φ = 481993402.

The previous prime is 481993381. The next prime is 481993411. The reversal of 481993403 is 304399184.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 481993403 - 2¹⁴ = 481977019 is a prime.

It is not a weakly prime, because it can be changed into another prime (481993433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240996701 + 240996702.

It is an arithmetic number, because the mean of its divisors is an integer number (240996702).

Almost surely, 2^481993403 is an apocalyptic number.

481993403 is a deficient number, since it is larger than the sum of its proper divisors (1).

481993403 is an equidigital number, since it uses as much as digits as its factorization.

481993403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 481993403 is about 21954.3481570280. The cubic root of 481993403 is about 784.0559075040.

The spelling of 481993403 in words is "four hundred eighty-one million, nine hundred ninety-three thousand, four hundred three".