6461603 has 4 divisors (see below), whose sum is σ = 6467448. Its totient is φ = 6455760.

The previous prime is 6461573. The next prime is 6461617. The reversal of 6461603 is 3061646.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6461603 - 2¹⁰ = 6460579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6461803) 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, 701 + ... + 3662.

It is an arithmetic number, because the mean of its divisors is an integer number (1616862).

Almost surely, 2^6461603 is an apocalyptic number.

6461603 is a deficient number, since it is larger than the sum of its proper divisors (5845).

6461603 is a wasteful number, since it uses less digits than its factorization.

6461603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5844.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 6461603 is about 2541.9683318248. The cubic root of 6461603 is about 186.2573517810.

It can be divided in two parts, 6461 and 603, that multiplied together give a palindrome (3895983).

The spelling of 6461603 in words is "six million, four hundred sixty-one thousand, six hundred three".