6261081 has 4 divisors (see below), whose sum is σ = 8348112. Its totient is φ = 4174052.

The previous prime is 6261077. The next prime is 6261097. The reversal of 6261081 is 1801626.

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 6261081 - 2² = 6261077 is a prime.

It is a super-2 number, since 2×6261081² = 78402270577122, which contains 22 as substring.

It is a D-number.

6261081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6261001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043511 + ... + 1043516.

It is an arithmetic number, because the mean of its divisors is an integer number (2087028).

Almost surely, 2^6261081 is an apocalyptic number.

It is an amenable number.

6261081 is a deficient number, since it is larger than the sum of its proper divisors (2087031).

6261081 is a wasteful number, since it uses less digits than its factorization.

6261081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087030.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 6261081 is about 2502.2152185613. The cubic root of 6261081 is about 184.3103713349.

The spelling of 6261081 in words is "six million, two hundred sixty-one thousand, eighty-one".