1481331 has 4 divisors (see below), whose sum is σ = 1975112. Its totient is φ = 987552.

The previous prime is 1481321. The next prime is 1481339. The reversal of 1481331 is 1331841.

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

It is not a de Polignac number, because 1481331 - 2¹⁹ = 957043 is a prime.

It is a super-2 number, since 2×1481331² = 4388683063122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1481298 and 1481307.

It is not an unprimeable number, because it can be changed into a prime (1481339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246886 + ... + 246891.

It is an arithmetic number, because the mean of its divisors is an integer number (493778).

2^1481331 is an apocalyptic number.

1481331 is a deficient number, since it is larger than the sum of its proper divisors (493781).

1481331 is an equidigital number, since it uses as much as digits as its factorization.

1481331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493780.

The product of its digits is 288, while the sum is 21.

The square root of 1481331 is about 1217.0994207541. The cubic root of 1481331 is about 113.9945365187.

The spelling of 1481331 in words is "one million, four hundred eighty-one thousand, three hundred thirty-one".