6214681 has 6 divisors (see below), whose sum is σ = 6831146. Its totient is φ = 5649600.

The previous prime is 6214651. The next prime is 6214687. The reversal of 6214681 is 1864126.

6214681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3705625 + 2509056 = 1925^2 + 1584^2 .

It is not a de Polignac number, because 6214681 - 2¹⁵ = 6181913 is a prime.

It is a super-2 number, since 2×6214681² = 77244519863522, which contains 22 as substring.

It is a Duffinian number.

6214681 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6214687) 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, 25560 + ... + 25801.

Almost surely, 2^6214681 is an apocalyptic number.

It is an amenable number.

6214681 is a deficient number, since it is larger than the sum of its proper divisors (616465).

6214681 is a wasteful number, since it uses less digits than its factorization.

6214681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51383 (or 51372 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 6214681 is about 2492.9261922488. The cubic root of 6214681 is about 183.8539424564.

The spelling of 6214681 in words is "six million, two hundred fourteen thousand, six hundred eighty-one".