1450381 has 4 divisors (see below), whose sum is σ = 1453500. Its totient is φ = 1447264.

The previous prime is 1450367. The next prime is 1450391. The reversal of 1450381 is 1830541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1830541 = 359 ⋅5099.

It can be written as a sum of positive squares in 2 ways, for example, as 826281 + 624100 = 909^2 + 790^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450381 - 2⁹ = 1449869 is a prime.

It is a super-2 number, since 2×1450381² = 4207210090322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450331) 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, 706 + ... + 1843.

It is an arithmetic number, because the mean of its divisors is an integer number (363375).

2^1450381 is an apocalyptic number.

It is an amenable number.

1450381 is a deficient number, since it is larger than the sum of its proper divisors (3119).

1450381 is an equidigital number, since it uses as much as digits as its factorization.

1450381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1450381 is about 1204.3176491275. The cubic root of 1450381 is about 113.1950321834.

The spelling of 1450381 in words is "one million, four hundred fifty thousand, three hundred eighty-one".