6263140 has 72 divisors (see below), whose sum is σ = 15218280. Its totient is φ = 2156544.

The previous prime is 6263137. The next prime is 6263161. The reversal of 6263140 is 413626.

It can be written as a sum of positive squares in 12 ways, for example, as 2027776 + 4235364 = 1424^2 + 2058^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57406 + ... + 57514.

It is an arithmetic number, because the mean of its divisors is an integer number (211365).

Almost surely, 2^6263140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6263140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7609140).

6263140 is an abundant number, since it is smaller than the sum of its proper divisors (8955140).

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

6263140 is a wasteful number, since it uses less digits than its factorization.

6263140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 146 counting only the distinct ones).

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

The square root of 6263140 is about 2502.6266201733. The cubic root of 6263140 is about 184.3305730361.

Adding to 6263140 its reverse (413626), we get a palindrome (6676766).

The spelling of 6263140 in words is "six million, two hundred sixty-three thousand, one hundred forty".