6312661 has 4 divisors (see below), whose sum is σ = 6684012. Its totient is φ = 5941312.

The previous prime is 6312659. The next prime is 6312667. The reversal of 6312661 is 1662136.

6312661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4490161 + 1822500 = 2119^2 + 1350^2 .

It is a cyclic number.

It is not a de Polignac number, because 6312661 - 2¹ = 6312659 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 (6312667) 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, 185650 + ... + 185683.

It is an arithmetic number, because the mean of its divisors is an integer number (1671003).

Almost surely, 2^6312661 is an apocalyptic number.

It is an amenable number.

6312661 is a deficient number, since it is larger than the sum of its proper divisors (371351).

6312661 is a wasteful number, since it uses less digits than its factorization.

6312661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371350.

The product of its digits is 1296, while the sum is 25.

The square root of 6312661 is about 2512.5009452735. The cubic root of 6312661 is about 184.8151159996.

Adding to 6312661 its reverse (1662136), we get a palindrome (7974797).

The spelling of 6312661 in words is "six million, three hundred twelve thousand, six hundred sixty-one".