6403413 has 4 divisors (see below), whose sum is σ = 8537888. Its totient is φ = 4268940.

The previous prime is 6403393. The next prime is 6403417. The reversal of 6403413 is 3143046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6403413 - 2⁵ = 6403381 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6403413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403417) 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, 1067233 + ... + 1067238.

It is an arithmetic number, because the mean of its divisors is an integer number (2134472).

Almost surely, 2^6403413 is an apocalyptic number.

It is an amenable number.

6403413 is a deficient number, since it is larger than the sum of its proper divisors (2134475).

6403413 is a wasteful number, since it uses less digits than its factorization.

6403413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134474.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 6403413 is about 2530.4965915804. The cubic root of 6403413 is about 185.6965511101.

Adding to 6403413 its reverse (3143046), we get a palindrome (9546459).

The spelling of 6403413 in words is "six million, four hundred three thousand, four hundred thirteen".