6131280 has 80 divisors (see below), whose sum is σ = 19373760. Its totient is φ = 1603584.

The previous prime is 6131239. The next prime is 6131297. The reversal of 6131280 is 821316.

It is a tau number, because it is divible by the number of its divisors (80).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13944 + ... + 14376.

It is an arithmetic number, because the mean of its divisors is an integer number (242172).

Almost surely, 2^6131280 is an apocalyptic number.

6131280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6131280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9686880).

6131280 is an abundant number, since it is smaller than the sum of its proper divisors (13242480).

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

6131280 is a wasteful number, since it uses less digits than its factorization.

6131280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 6131280 is about 2476.1421607008. The cubic root of 6131280 is about 183.0277959510.

Adding to 6131280 its reverse (821316), we get a palindrome (6952596).

The spelling of 6131280 in words is "six million, one hundred thirty-one thousand, two hundred eighty".