1481451 has 4 divisors (see below), whose sum is σ = 1975272. Its totient is φ = 987632.

The previous prime is 1481413. The next prime is 1481477. The reversal of 1481451 is 1541841.

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

It is a cyclic number.

It is not a de Polignac number, because 1481451 - 2⁶ = 1481387 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1481551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246906 + ... + 246911.

It is an arithmetic number, because the mean of its divisors is an integer number (493818).

2^1481451 is an apocalyptic number.

1481451 is a deficient number, since it is larger than the sum of its proper divisors (493821).

1481451 is an equidigital number, since it uses as much as digits as its factorization.

1481451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493820.

The product of its digits is 640, while the sum is 24.

The square root of 1481451 is about 1217.1487172897. The cubic root of 1481451 is about 113.9976146007.

The spelling of 1481451 in words is "one million, four hundred eighty-one thousand, four hundred fifty-one".