6140031 has 4 divisors (see below), whose sum is σ = 8186712. Its totient is φ = 4093352.

The previous prime is 6140023. The next prime is 6140041. The reversal of 6140031 is 1300416.

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

It is a cyclic number.

It is not a de Polignac number, because 6140031 - 2³ = 6140023 is a prime.

It is a super-2 number, since 2×6140031² = 75399961361922, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6140041) 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, 1023336 + ... + 1023341.

It is an arithmetic number, because the mean of its divisors is an integer number (2046678).

Almost surely, 2^6140031 is an apocalyptic number.

6140031 is a deficient number, since it is larger than the sum of its proper divisors (2046681).

6140031 is a wasteful number, since it uses less digits than its factorization.

6140031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046680.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 6140031 is about 2477.9085939558. The cubic root of 6140031 is about 183.1148313301.

Adding to 6140031 its reverse (1300416), we get a palindrome (7440447).

The spelling of 6140031 in words is "six million, one hundred forty thousand, thirty-one".