6800153 has 4 divisors (see below), whose sum is σ = 7200180. Its totient is φ = 6400128.

The previous prime is 6800147. The next prime is 6800161. The reversal of 6800153 is 3510086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3510086 = 2 ⋅1755043.

It can be written as a sum of positive squares in 2 ways, for example, as 5938969 + 861184 = 2437^2 + 928^2 .

It is a cyclic number.

It is not a de Polignac number, because 6800153 - 2⁶ = 6800089 is a prime.

6800153 is a modest number, since divided by 153 gives 68 as remainder.

It is not an unprimeable number, because it can be changed into a prime (6800113) 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, 199988 + ... + 200021.

It is an arithmetic number, because the mean of its divisors is an integer number (1800045).

Almost surely, 2^6800153 is an apocalyptic number.

It is an amenable number.

6800153 is a deficient number, since it is larger than the sum of its proper divisors (400027).

6800153 is a wasteful number, since it uses less digits than its factorization.

6800153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400026.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 6800153 is about 2607.7102983269. The cubic root of 6800153 is about 189.4550683289.

It can be divided in two parts, 6800 and 153, that multiplied together give a square (1040400 = 1020²).

The spelling of 6800153 in words is "six million, eight hundred thousand, one hundred fifty-three".