801471061 has 2 divisors, whose sum is σ = 801471062. Its totient is φ = 801471060.

The previous prime is 801471049. The next prime is 801471071. The reversal of 801471061 is 160174108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 702568036 + 98903025 = 26506^2 + 9945^2 .

It is a cyclic number.

It is not a de Polignac number, because 801471061 - 2⁵ = 801471029 is a prime.

It is a Chen prime.

It is equal to p_41218147 and since 801471061 and 41218147 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801471071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400735530 + 400735531.

It is an arithmetic number, because the mean of its divisors is an integer number (400735531).

Almost surely, 2^801471061 is an apocalyptic number.

It is an amenable number.

801471061 is a deficient number, since it is larger than the sum of its proper divisors (1).

801471061 is an equidigital number, since it uses as much as digits as its factorization.

801471061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 801471061 is about 28310.2642340194. The cubic root of 801471061 is about 928.8864233372.

The spelling of 801471061 in words is "eight hundred one million, four hundred seventy-one thousand, sixty-one".