6310661 has 12 divisors (see below), whose sum is σ = 7595820. Its totient is φ = 5221440.

The previous prime is 6310627. The next prime is 6310669. The reversal of 6310661 is 1660136.

It can be written as a sum of positive squares in 2 ways, for example, as 2869636 + 3441025 = 1694^2 + 1855^2 .

It is not a de Polignac number, because 6310661 - 2²² = 2116357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6310669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 800 + ... + 3641.

It is an arithmetic number, because the mean of its divisors is an integer number (632985).

Almost surely, 2^6310661 is an apocalyptic number.

It is an amenable number.

6310661 is a deficient number, since it is larger than the sum of its proper divisors (1285159).

6310661 is a wasteful number, since it uses less digits than its factorization.

6310661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484 (or 4477 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 6310661 is about 2512.1029039432. The cubic root of 6310661 is about 184.7955960077.

Adding to 6310661 its reverse (1660136), we get a palindrome (7970797).

The spelling of 6310661 in words is "six million, three hundred ten thousand, six hundred sixty-one".