6305140 has 12 divisors (see below), whose sum is σ = 13240836. Its totient is φ = 2522048.

The previous prime is 6305129. The next prime is 6305141. The reversal of 6305140 is 415036.

It can be written as a sum of positive squares in 2 ways, for example, as 3602404 + 2702736 = 1898^2 + 1644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6305141) 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, 157609 + ... + 157648.

It is an arithmetic number, because the mean of its divisors is an integer number (1103403).

Almost surely, 2^6305140 is an apocalyptic number.

It is an amenable number.

6305140 is an abundant number, since it is smaller than the sum of its proper divisors (6935696).

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

6305140 is a wasteful number, since it uses less digits than its factorization.

6305140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315266 (or 315264 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 6305140 is about 2511.0037833504. The cubic root of 6305140 is about 184.7416896546.

Subtracting from 6305140 its sum of digits (19), we obtain a square (6305121 = 2511²).

The spelling of 6305140 in words is "six million, three hundred five thousand, one hundred forty".