6475881 has 4 divisors (see below), whose sum is σ = 8634512. Its totient is φ = 4317252.

The previous prime is 6475879. The next prime is 6475883. The reversal of 6475881 is 1885746.

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 an interprime number because it is at equal distance from previous prime (6475879) and next prime (6475883).

It is not a de Polignac number, because 6475881 - 2¹ = 6475879 is a prime.

It is a super-2 number, since 2×6475881² = 83874069452322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6475883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1079311 + ... + 1079316.

It is an arithmetic number, because the mean of its divisors is an integer number (2158628).

Almost surely, 2^6475881 is an apocalyptic number.

It is an amenable number.

6475881 is a deficient number, since it is larger than the sum of its proper divisors (2158631).

6475881 is a wasteful number, since it uses less digits than its factorization.

6475881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158630.

The product of its digits is 53760, while the sum is 39.

The square root of 6475881 is about 2544.7752356544. The cubic root of 6475881 is about 186.3944398527.

The spelling of 6475881 in words is "six million, four hundred seventy-five thousand, eight hundred eighty-one".