1451441 has 4 divisors (see below), whose sum is σ = 1486884. Its totient is φ = 1416000.

The previous prime is 1451423. The next prime is 1451509. The reversal of 1451441 is 1441541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1441541 = 113 ⋅12757.

It can be written as a sum of positive squares in 2 ways, for example, as 163216 + 1288225 = 404^2 + 1135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1451441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1451041) 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, 17660 + ... + 17741.

It is an arithmetic number, because the mean of its divisors is an integer number (371721).

2^1451441 is an apocalyptic number.

It is an amenable number.

1451441 is a deficient number, since it is larger than the sum of its proper divisors (35443).

1451441 is an equidigital number, since it uses as much as digits as its factorization.

1451441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35442.

The product of its digits is 320, while the sum is 20.

The square root of 1451441 is about 1204.7576519782. The cubic root of 1451441 is about 113.2226013797. Note that the first 3 decimals are identical.

Adding to 1451441 its reverse (1441541), we get a palindrome (2892982).

The spelling of 1451441 in words is "one million, four hundred fifty-one thousand, four hundred forty-one".