6354661 has 4 divisors (see below), whose sum is σ = 6364000. Its totient is φ = 6345324.

The previous prime is 6354643. The next prime is 6354703. The reversal of 6354661 is 1664536.

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 6354661 - 2⁹ = 6354149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6354641) 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, 3561 + ... + 5038.

It is an arithmetic number, because the mean of its divisors is an integer number (1591000).

Almost surely, 2^6354661 is an apocalyptic number.

It is an amenable number.

6354661 is a deficient number, since it is larger than the sum of its proper divisors (9339).

6354661 is an equidigital number, since it uses as much as digits as its factorization.

6354661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9338.

The product of its digits is 12960, while the sum is 31.

The square root of 6354661 is about 2520.8452947375. The cubic root of 6354661 is about 185.2240868708.

The spelling of 6354661 in words is "six million, three hundred fifty-four thousand, six hundred sixty-one".