6490545 has 16 divisors (see below), whose sum is σ = 10488192. Its totient is φ = 3427200.

The previous prime is 6490543. The next prime is 6490567. The reversal of 6490545 is 5450946.

It is not a de Polignac number, because 6490545 - 2¹ = 6490543 is a prime.

6490545 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6490543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556 + ... + 3645.

It is an arithmetic number, because the mean of its divisors is an integer number (655512).

Almost surely, 2^6490545 is an apocalyptic number.

It is an amenable number.

6490545 is a deficient number, since it is larger than the sum of its proper divisors (3997647).

6490545 is a wasteful number, since it uses less digits than its factorization.

6490545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 6490545 is about 2547.6548039324. The cubic root of 6490545 is about 186.5350244604.

It can be divided in two parts, 64 and 90545, that added together give a palindrome (90609).

The spelling of 6490545 in words is "six million, four hundred ninety thousand, five hundred forty-five".