6461827 has 4 divisors (see below), whose sum is σ = 6742800. Its totient is φ = 6180856.

The previous prime is 6461821. The next prime is 6461831. The reversal of 6461827 is 7281646.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7281646 = 2 ⋅3640823.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6461827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6461792 and 6461801.

It is not an unprimeable number, because it can be changed into a prime (6461821) 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, 140452 + ... + 140497.

It is an arithmetic number, because the mean of its divisors is an integer number (1685700).

Almost surely, 2^6461827 is an apocalyptic number.

6461827 is a deficient number, since it is larger than the sum of its proper divisors (280973).

6461827 is a wasteful number, since it uses less digits than its factorization.

6461827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280972.

The product of its digits is 16128, while the sum is 34.

The square root of 6461827 is about 2542.0123917873. The cubic root of 6461827 is about 186.2595040418.

The spelling of 6461827 in words is "six million, four hundred sixty-one thousand, eight hundred twenty-seven".