6117381 has 6 divisors (see below), whose sum is σ = 8836230. Its totient is φ = 4078248.

The previous prime is 6117367. The next prime is 6117383. The reversal of 6117381 is 1837116.

It can be written as a sum of positive squares in only one way, i.e., 5832225 + 285156 = 2415^2 + 534^2 .

It is not a de Polignac number, because 6117381 - 2⁷ = 6117253 is a prime.

It is a super-2 number, since 2×6117381² = 74844700598322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6117383) 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, 339846 + ... + 339863.

It is an arithmetic number, because the mean of its divisors is an integer number (1472705).

Almost surely, 2^6117381 is an apocalyptic number.

It is an amenable number.

6117381 is a deficient number, since it is larger than the sum of its proper divisors (2718849).

6117381 is a wasteful number, since it uses less digits than its factorization.

6117381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679715 (or 679712 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 6117381 is about 2473.3339847259. Note that the first 3 decimals coincide. The cubic root of 6117381 is about 182.8893893965.

The spelling of 6117381 in words is "six million, one hundred seventeen thousand, three hundred eighty-one".