6475321 has 2 divisors, whose sum is σ = 6475322. Its totient is φ = 6475320.

The previous prime is 6475307. The next prime is 6475387. The reversal of 6475321 is 1235746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5546025 + 929296 = 2355^2 + 964^2 .

It is a cyclic number.

It is not a de Polignac number, because 6475321 - 2⁵ = 6475289 is a prime.

6475321 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6475321.

It is not a weakly prime, because it can be changed into another prime (6473321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3237660 + 3237661.

It is an arithmetic number, because the mean of its divisors is an integer number (3237661).

Almost surely, 2^6475321 is an apocalyptic number.

It is an amenable number.

6475321 is a deficient number, since it is larger than the sum of its proper divisors (1).

6475321 is an equidigital number, since it uses as much as digits as its factorization.

6475321 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 6475321 is about 2544.6652039119. The cubic root of 6475321 is about 186.3890668954.

The spelling of 6475321 in words is "six million, four hundred seventy-five thousand, three hundred twenty-one".