481387 has 2 divisors, whose sum is σ = 481388. Its totient is φ = 481386.

The previous prime is 481379. The next prime is 481409. The reversal of 481387 is 783184.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 481387 - 2³ = 481379 is a prime.

481387 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (481307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240693 + 240694.

It is an arithmetic number, because the mean of its divisors is an integer number (240694).

2⁴⁸¹³⁸⁷ is an apocalyptic number.

481387 is a deficient number, since it is larger than the sum of its proper divisors (1).

481387 is an equidigital number, since it uses as much as digits as its factorization.

481387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 31.

The square root of 481387 is about 693.8205819951. The cubic root of 481387 is about 78.3726958752.

It can be divided in two parts, 4813 and 87, that added together give a square (4900 = 70²).

The spelling of 481387 in words is "four hundred eighty-one thousand, three hundred eighty-seven".