6154661 has 2 divisors, whose sum is σ = 6154662. Its totient is φ = 6154660.

The previous prime is 6154657. The next prime is 6154667. The reversal of 6154661 is 1664516.

6154661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4866436 + 1288225 = 2206^2 + 1135^2 .

It is a cyclic number.

It is not a de Polignac number, because 6154661 - 2² = 6154657 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6154667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077330 + 3077331.

It is an arithmetic number, because the mean of its divisors is an integer number (3077331).

Almost surely, 2^6154661 is an apocalyptic number.

It is an amenable number.

6154661 is a deficient number, since it is larger than the sum of its proper divisors (1).

6154661 is an equidigital number, since it uses as much as digits as its factorization.

6154661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The square root of 6154661 is about 2480.8589238407. The cubic root of 6154661 is about 183.2601533459.

The spelling of 6154661 in words is "six million, one hundred fifty-four thousand, six hundred sixty-one".