6481155 has 16 divisors (see below), whose sum is σ = 10402560. Its totient is φ = 3445728.

The previous prime is 6481141. The next prime is 6481169. The reversal of 6481155 is 5511846.

It is an interprime number because it is at equal distance from previous prime (6481141) and next prime (6481169).

It is not a de Polignac number, because 6481155 - 2¹² = 6477059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7116 + ... + 7974.

It is an arithmetic number, because the mean of its divisors is an integer number (650160).

Almost surely, 2^6481155 is an apocalyptic number.

6481155 is a deficient number, since it is larger than the sum of its proper divisors (3921405).

6481155 is a wasteful number, since it uses less digits than its factorization.

6481155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370.

The product of its digits is 4800, while the sum is 30.

The square root of 6481155 is about 2545.8112655890. The cubic root of 6481155 is about 186.4450264077.

The spelling of 6481155 in words is "six million, four hundred eighty-one thousand, one hundred fifty-five".