801894281 has 2 divisors, whose sum is σ = 801894282. Its totient is φ = 801894280.

The previous prime is 801894263. The next prime is 801894337. The reversal of 801894281 is 182498108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 767788681 + 34105600 = 27709^2 + 5840^2 .

It is a cyclic number.

It is not a de Polignac number, because 801894281 - 2¹⁴ = 801877897 is a prime.

It is a super-2 number, since 2×801894281² = 1286068875801013922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (801894481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400947140 + 400947141.

It is an arithmetic number, because the mean of its divisors is an integer number (400947141).

Almost surely, 2^801894281 is an apocalyptic number.

It is an amenable number.

801894281 is a deficient number, since it is larger than the sum of its proper divisors (1).

801894281 is an equidigital number, since it uses as much as digits as its factorization.

801894281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 41.

The square root of 801894281 is about 28317.7379216632. The cubic root of 801894281 is about 929.0498952972.

The spelling of 801894281 in words is "eight hundred one million, eight hundred ninety-four thousand, two hundred eighty-one".