6139853 has 2 divisors, whose sum is σ = 6139854. Its totient is φ = 6139852.

The previous prime is 6139849. The next prime is 6139871. The reversal of 6139853 is 3589316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4338889 + 1800964 = 2083^2 + 1342^2 .

It is a cyclic number.

It is not a de Polignac number, because 6139853 - 2² = 6139849 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6139883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3069926 + 3069927.

It is an arithmetic number, because the mean of its divisors is an integer number (3069927).

Almost surely, 2^6139853 is an apocalyptic number.

It is an amenable number.

6139853 is a deficient number, since it is larger than the sum of its proper divisors (1).

6139853 is an equidigital number, since it uses as much as digits as its factorization.

6139853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 6139853 is about 2477.8726763093. The cubic root of 6139853 is about 183.1130618084.

The spelling of 6139853 in words is "six million, one hundred thirty-nine thousand, eight hundred fifty-three".