6321457 has 2 divisors, whose sum is σ = 6321458. Its totient is φ = 6321456.

The previous prime is 6321443. The next prime is 6321461. The reversal of 6321457 is 7541236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3837681 + 2483776 = 1959^2 + 1576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6321457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6321407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3160728 + 3160729.

It is an arithmetic number, because the mean of its divisors is an integer number (3160729).

Almost surely, 2^6321457 is an apocalyptic number.

It is an amenable number.

6321457 is a deficient number, since it is larger than the sum of its proper divisors (1).

6321457 is an equidigital number, since it uses as much as digits as its factorization.

6321457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 6321457 is about 2514.2507830366. The cubic root of 6321457 is about 184.9009160184.

The spelling of 6321457 in words is "six million, three hundred twenty-one thousand, four hundred fifty-seven".