801247 has 2 divisors, whose sum is σ = 801248. Its totient is φ = 801246.

The previous prime is 801217. The next prime is 801277. The reversal of 801247 is 742108.

It is a balanced prime because it is at equal distance from previous prime (801217) and next prime (801277).

It is a cyclic number.

It is not a de Polignac number, because 801247 - 2¹⁵ = 768479 is a prime.

801247 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801217) 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, 400623 + 400624.

It is an arithmetic number, because the mean of its divisors is an integer number (400624).

2⁸⁰¹²⁴⁷ is an apocalyptic number.

801247 is a deficient number, since it is larger than the sum of its proper divisors (1).

801247 is an equidigital number, since it uses as much as digits as its factorization.

801247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 801247 is about 895.1240137545. The cubic root of 801247 is about 92.8799854764.

The spelling of 801247 in words is "eight hundred one thousand, two hundred forty-seven".