802253313 has 6 divisors (see below), whose sum is σ = 1158810354. Its totient is φ = 534835536.

The previous prime is 802253281. The next prime is 802253357. The reversal of 802253313 is 313352208.

It can be written as a sum of positive squares in only one way, i.e., 791184384 + 11068929 = 28128^2 + 3327^2 .

It is not a de Polignac number, because 802253313 - 2⁵ = 802253281 is a prime.

It is a super-2 number, since 2×802253313² = 1287220756438951938, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (802253383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44569620 + ... + 44569637.

It is an arithmetic number, because the mean of its divisors is an integer number (193135059).

Almost surely, 2^802253313 is an apocalyptic number.

It is an amenable number.

802253313 is a deficient number, since it is larger than the sum of its proper divisors (356557041).

802253313 is a wasteful number, since it uses less digits than its factorization.

802253313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89139263 (or 89139260 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 802253313 is about 28324.0765604106. The cubic root of 802253313 is about 929.1885290635.

It can be divided in two parts, 80225 and 3313, that added together give a palindrome (83538).

The spelling of 802253313 in words is "eight hundred two million, two hundred fifty-three thousand, three hundred thirteen".