6402353 has 4 divisors (see below), whose sum is σ = 6778980. Its totient is φ = 6025728.

The previous prime is 6402329. The next prime is 6402379. The reversal of 6402353 is 3532046.

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 2650384 + 3751969 = 1628^2 + 1937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6402353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6402323) 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, 188288 + ... + 188321.

It is an arithmetic number, because the mean of its divisors is an integer number (1694745).

Almost surely, 2^6402353 is an apocalyptic number.

It is an amenable number.

6402353 is a deficient number, since it is larger than the sum of its proper divisors (376627).

6402353 is a wasteful number, since it uses less digits than its factorization.

6402353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376626.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 6402353 is about 2530.2871378561. The cubic root of 6402353 is about 185.6863040119.

Adding to 6402353 its reverse (3532046), we get a palindrome (9934399).

The spelling of 6402353 in words is "six million, four hundred two thousand, three hundred fifty-three".