1601273 has 2 divisors, whose sum is σ = 1601274. Its totient is φ = 1601272.

The previous prime is 1601269. The next prime is 1601287. The reversal of 1601273 is 3721061.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 840889 + 760384 = 917^2 + 872^2 .

It is a cyclic number.

It is not a de Polignac number, because 1601273 - 2² = 1601269 is a prime.

It is not a weakly prime, because it can be changed into another prime (1601203) 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, 800636 + 800637.

It is an arithmetic number, because the mean of its divisors is an integer number (800637).

2^1601273 is an apocalyptic number.

It is an amenable number.

1601273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601273 is an equidigital number, since it uses as much as digits as its factorization.

1601273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1601273 is about 1265.4141614507. The cubic root of 1601273 is about 116.9917202605.

The spelling of 1601273 in words is "one million, six hundred one thousand, two hundred seventy-three".