6485515 has 4 divisors (see below), whose sum is σ = 7782624. Its totient is φ = 5188408.

The previous prime is 6485497. The next prime is 6485527. The reversal of 6485515 is 5155846.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5155846 = 2 ⋅2577923.

It is a cyclic number.

It is not a de Polignac number, because 6485515 - 2⁷ = 6485387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648547 + ... + 648556.

It is an arithmetic number, because the mean of its divisors is an integer number (1945656).

Almost surely, 2^6485515 is an apocalyptic number.

6485515 is a deficient number, since it is larger than the sum of its proper divisors (1297109).

6485515 is a wasteful number, since it uses less digits than its factorization.

6485515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297108.

The product of its digits is 24000, while the sum is 34.

The square root of 6485515 is about 2546.6674301919. The cubic root of 6485515 is about 186.4868254439.

The spelling of 6485515 in words is "six million, four hundred eighty-five thousand, five hundred fifteen".