6320406461 has 4 divisors (see below), whose sum is σ = 6320734812. Its totient is φ = 6320078112.

The previous prime is 6320406419. The next prime is 6320406493. The reversal of 6320406461 is 1646040236.

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 4893002500 + 1427403961 = 69950^2 + 37781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6320406461 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 (6320409461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133376 + ... + 174441.

It is an arithmetic number, because the mean of its divisors is an integer number (1580183703).

Almost surely, 2^6320406461 is an apocalyptic number.

It is an amenable number.

6320406461 is a deficient number, since it is larger than the sum of its proper divisors (328351).

6320406461 is a wasteful number, since it uses less digits than its factorization.

6320406461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328350.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 6320406461 is about 79500.9840253566. The cubic root of 6320406461 is about 1848.9067278990.

Adding to 6320406461 its reverse (1646040236), we get a palindrome (7966446697).

The spelling of 6320406461 in words is "six billion, three hundred twenty million, four hundred six thousand, four hundred sixty-one".