6581051 has 2 divisors, whose sum is σ = 6581052. Its totient is φ = 6581050.

The previous prime is 6581041. The next prime is 6581077. The reversal of 6581051 is 1501856.

It is an a-pointer prime, because the next prime (6581077) can be obtained adding 6581051 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6581051 - 2¹⁴ = 6564667 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6581051.

It is not a weakly prime, because it can be changed into another prime (6581041) 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 as a sum of consecutive naturals, namely, 3290525 + 3290526.

It is an arithmetic number, because the mean of its divisors is an integer number (3290526).

Almost surely, 2^6581051 is an apocalyptic number.

6581051 is a deficient number, since it is larger than the sum of its proper divisors (1).

6581051 is an equidigital number, since it uses as much as digits as its factorization.

6581051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 6581051 is about 2565.3559207252. The cubic root of 6581051 is about 187.3980577701.

The spelling of 6581051 in words is "six million, five hundred eighty-one thousand, fifty-one".