6450513 has 4 divisors (see below), whose sum is σ = 8600688. Its totient is φ = 4300340.

The previous prime is 6450503. The next prime is 6450527. The reversal of 6450513 is 3150546.

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 a cyclic number.

It is not a de Polignac number, because 6450513 - 2¹⁰ = 6449489 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6450503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075083 + ... + 1075088.

It is an arithmetic number, because the mean of its divisors is an integer number (2150172).

Almost surely, 2^6450513 is an apocalyptic number.

It is an amenable number.

6450513 is a deficient number, since it is larger than the sum of its proper divisors (2150175).

6450513 is a wasteful number, since it uses less digits than its factorization.

6450513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150174.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 6450513 is about 2539.7860146083. The cubic root of 6450513 is about 186.1507334037.

The spelling of 6450513 in words is "six million, four hundred fifty thousand, five hundred thirteen".