802053171 has 20 divisors (see below), whose sum is σ = 1250224272. Its totient is φ = 511453008.

The previous prime is 802053151. The next prime is 802053191. The reversal of 802053171 is 171350208.

It is an interprime number because it is at equal distance from previous prime (802053151) and next prime (802053191).

It is not a de Polignac number, because 802053171 - 2⁹ = 802052659 is a prime.

It is a super-2 number, since 2×802053171² = 1286578578222310482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (802053151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 213396 + ... + 217121.

Almost surely, 2^802053171 is an apocalyptic number.

802053171 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

802053171 is a deficient number, since it is larger than the sum of its proper divisors (448171101).

802053171 is a wasteful number, since it uses less digits than its factorization.

802053171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430552 (or 430543 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 802053171 is about 28320.5432680943. The cubic root of 802053171 is about 929.1112529236. Note that the first 3 decimals are identical.

The spelling of 802053171 in words is "eight hundred two million, fifty-three thousand, one hundred seventy-one".