6445097 has 4 divisors (see below), whose sum is σ = 6533460. Its totient is φ = 6356736.

The previous prime is 6445093. The next prime is 6445099. The reversal of 6445097 is 7905446.

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 4713241 + 1731856 = 2171^2 + 1316^2 .

It is a cyclic number.

It is not a de Polignac number, because 6445097 - 2² = 6445093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6445093) 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, 44072 + ... + 44217.

It is an arithmetic number, because the mean of its divisors is an integer number (1633365).

Almost surely, 2^6445097 is an apocalyptic number.

It is an amenable number.

6445097 is a deficient number, since it is larger than the sum of its proper divisors (88363).

6445097 is an equidigital number, since it uses as much as digits as its factorization.

6445097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88362.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 6445097 is about 2538.7195591479. The cubic root of 6445097 is about 186.0986199945.

The spelling of 6445097 in words is "six million, four hundred forty-five thousand, ninety-seven".