6461155 has 8 divisors (see below), whose sum is σ = 7773552. Its totient is φ = 5155488.

The previous prime is 6461141. The next prime is 6461167. The reversal of 6461155 is 5511646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6461155 - 2⁵ = 6461123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757 + ... + 3673.

It is an arithmetic number, because the mean of its divisors is an integer number (971694).

Almost surely, 2^6461155 is an apocalyptic number.

6461155 is a deficient number, since it is larger than the sum of its proper divisors (1312397).

6461155 is a wasteful number, since it uses less digits than its factorization.

6461155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365.

The product of its digits is 3600, while the sum is 28.

The square root of 6461155 is about 2541.8802096086. The cubic root of 6461155 is about 186.2530471102.

The spelling of 6461155 in words is "six million, four hundred sixty-one thousand, one hundred fifty-five".