6461393 has 2 divisors, whose sum is σ = 6461394. Its totient is φ = 6461392.

The previous prime is 6461383. The next prime is 6461401. The reversal of 6461393 is 3931646.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3794704 + 2666689 = 1948^2 + 1633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6461393 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6461333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3230696 + 3230697.

It is an arithmetic number, because the mean of its divisors is an integer number (3230697).

Almost surely, 2^6461393 is an apocalyptic number.

It is an amenable number.

6461393 is a deficient number, since it is larger than the sum of its proper divisors (1).

6461393 is an equidigital number, since it uses as much as digits as its factorization.

6461393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 6461393 is about 2541.9270249163. The cubic root of 6461393 is about 186.2553339913.

The spelling of 6461393 in words is "six million, four hundred sixty-one thousand, three hundred ninety-three".