6461320 has 32 divisors (see below), whose sum is σ = 14641920. Its totient is φ = 2566080.

The previous prime is 6461317. The next prime is 6461333. The reversal of 6461320 is 231646.

It is a super-2 number, since 2×6461320² = 83497312284800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6461291 and 6461300.

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, 6025 + ... + 7015.

It is an arithmetic number, because the mean of its divisors is an integer number (457560).

Almost surely, 2^6461320 is an apocalyptic number.

It is an amenable number.

6461320 is an abundant number, since it is smaller than the sum of its proper divisors (8180600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6461320 is a wasteful number, since it uses less digits than its factorization.

6461320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 6461320 is about 2541.9126656909. The cubic root of 6461320 is about 186.2546325590.

Adding to 6461320 its reverse (231646), we get a palindrome (6692966).

The spelling of 6461320 in words is "six million, four hundred sixty-one thousand, three hundred twenty".