6141781 has 4 divisors (see below), whose sum is σ = 6152832. Its totient is φ = 6130732.

The previous prime is 6141763. The next prime is 6141791. The reversal of 6141781 is 1871416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6141781 - 2¹¹ = 6139733 is a prime.

It is a super-2 number, since 2×6141781² = 75442947703922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6141761) 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, 4645 + ... + 5818.

It is an arithmetic number, because the mean of its divisors is an integer number (1538208).

Almost surely, 2^6141781 is an apocalyptic number.

It is an amenable number.

6141781 is a deficient number, since it is larger than the sum of its proper divisors (11051).

6141781 is a wasteful number, since it uses less digits than its factorization.

6141781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11050.

The product of its digits is 1344, while the sum is 28.

The square root of 6141781 is about 2478.2616891684. The cubic root of 6141781 is about 183.1322264928.

The spelling of 6141781 in words is "six million, one hundred forty-one thousand, seven hundred eighty-one".