802842281 has 4 divisors (see below), whose sum is σ = 803912064. Its totient is φ = 801772500.

The previous prime is 802842259. The next prime is 802842329. The reversal of 802842281 is 182248208.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 802842281 - 2¹⁸ = 802580137 is a prime.

It is a super-2 number, since 2×802842281² = 1289111456322565922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (802842241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533765 + ... + 535266.

It is an arithmetic number, because the mean of its divisors is an integer number (200978016).

Almost surely, 2^802842281 is an apocalyptic number.

It is an amenable number.

802842281 is a deficient number, since it is larger than the sum of its proper divisors (1069783).

802842281 is a wasteful number, since it uses less digits than its factorization.

802842281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069782.

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 802842281 is about 28334.4716026257. The cubic root of 802842281 is about 929.4158589407.

The spelling of 802842281 in words is "eight hundred two million, eight hundred forty-two thousand, two hundred eighty-one".