1601447 has 2 divisors, whose sum is σ = 1601448. Its totient is φ = 1601446.

The previous prime is 1601443. The next prime is 1601459. The reversal of 1601447 is 7441061.

It is a weak prime.

It is an emirp because it is prime and its reverse (7441061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1601447 - 2² = 1601443 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1601441) 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 as a sum of consecutive naturals, namely, 800723 + 800724.

It is an arithmetic number, because the mean of its divisors is an integer number (800724).

2^1601447 is an apocalyptic number.

1601447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601447 is an equidigital number, since it uses as much as digits as its factorization.

1601447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1601447 is about 1265.4829117772. The cubic root of 1601447 is about 116.9959576854.

It can be divided in two parts, 16014 and 47, that added together give a palindrome (16061).

The spelling of 1601447 in words is "one million, six hundred one thousand, four hundred forty-seven".