1445713 has 2 divisors, whose sum is σ = 1445714. Its totient is φ = 1445712.

The previous prime is 1445707. The next prime is 1445723. The reversal of 1445713 is 3175441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1065024 + 380689 = 1032^2 + 617^2 .

It is an emirp because it is prime and its reverse (3175441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1445723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722856 + 722857.

It is an arithmetic number, because the mean of its divisors is an integer number (722857).

2^1445713 is an apocalyptic number.

It is an amenable number.

1445713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445713 is an equidigital number, since it uses as much as digits as its factorization.

1445713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 25.

The square root of 1445713 is about 1202.3780603454. The cubic root of 1445713 is about 113.0734635982.

The spelling of 1445713 in words is "one million, four hundred forty-five thousand, seven hundred thirteen".