6503401 has 4 divisors (see below), whose sum is σ = 6885972. Its totient is φ = 6120832.

The previous prime is 6503389. The next prime is 6503407. The reversal of 6503401 is 1043056.

6503401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 2893401 + 3610000 = 1701^2 + 1900^2 .

It is a cyclic number.

It is not a de Polignac number, because 6503401 - 2⁵ = 6503369 is a prime.

It is a super-4 number, since 4×6503401⁴ (a number of 28 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6503407) 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, 191260 + ... + 191293.

It is an arithmetic number, because the mean of its divisors is an integer number (1721493).

Almost surely, 2^6503401 is an apocalyptic number.

It is an amenable number.

6503401 is a deficient number, since it is larger than the sum of its proper divisors (382571).

6503401 is a wasteful number, since it uses less digits than its factorization.

6503401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382570.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 6503401 is about 2550.1766605473. The cubic root of 6503401 is about 186.6581015770.

Adding to 6503401 its reverse (1043056), we get a palindrome (7546457).

The spelling of 6503401 in words is "six million, five hundred three thousand, four hundred one".