801195247 has 2 divisors, whose sum is σ = 801195248. Its totient is φ = 801195246.

The previous prime is 801195203. The next prime is 801195251. The reversal of 801195247 is 742591108.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 801195247 - 2¹¹ = 801193199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801195347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400597623 + 400597624.

It is an arithmetic number, because the mean of its divisors is an integer number (400597624).

Almost surely, 2^801195247 is an apocalyptic number.

801195247 is a deficient number, since it is larger than the sum of its proper divisors (1).

801195247 is an equidigital number, since it uses as much as digits as its factorization.

801195247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 801195247 is about 28305.3925427647. The cubic root of 801195247 is about 928.7798570962.

The spelling of 801195247 in words is "eight hundred one million, one hundred ninety-five thousand, two hundred forty-seven".