1450681 has 4 divisors (see below), whose sum is σ = 1464100. Its totient is φ = 1437264.

The previous prime is 1450651. The next prime is 1450697. The reversal of 1450681 is 1860541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1860541 = 409 ⋅4549.

It can be written as a sum of positive squares in 2 ways, for example, as 379456 + 1071225 = 616^2 + 1035^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450681 - 2¹⁷ = 1319609 is a prime.

It is a super-2 number, since 2×1450681² = 4208950727522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1450651) 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, 6546 + ... + 6763.

It is an arithmetic number, because the mean of its divisors is an integer number (366025).

2^1450681 is an apocalyptic number.

It is an amenable number.

1450681 is a deficient number, since it is larger than the sum of its proper divisors (13419).

1450681 is a wasteful number, since it uses less digits than its factorization.

1450681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13418.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1450681 is about 1204.4421945448. The cubic root of 1450681 is about 113.2028361486.

The spelling of 1450681 in words is "one million, four hundred fifty thousand, six hundred eighty-one".