6868153 has 4 divisors (see below), whose sum is σ = 7272180. Its totient is φ = 6464128.

The previous prime is 6868133. The next prime is 6868163. The reversal of 6868153 is 3518686.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6310144 + 558009 = 2512^2 + 747^2 .

It is a cyclic number.

It is not a de Polignac number, because 6868153 - 2¹³ = 6859961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6868123) 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, 201988 + ... + 202021.

It is an arithmetic number, because the mean of its divisors is an integer number (1818045).

Almost surely, 2^6868153 is an apocalyptic number.

It is an amenable number.

6868153 is a deficient number, since it is larger than the sum of its proper divisors (404027).

6868153 is a wasteful number, since it uses less digits than its factorization.

6868153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404026.

The product of its digits is 34560, while the sum is 37.

The square root of 6868153 is about 2620.7161235052. The cubic root of 6868153 is about 190.0844776695.

It can be divided in two parts, 6868 and 153, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 6868153 in words is "six million, eight hundred sixty-eight thousand, one hundred fifty-three".