6442485 has 16 divisors (see below), whose sum is σ = 11780736. Its totient is φ = 2945088.

The previous prime is 6442481. The next prime is 6442493. The reversal of 6442485 is 5842446.

It is not a de Polignac number, because 6442485 - 2² = 6442481 is a prime.

It is a super-2 number, since 2×6442485² = 83011225950450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30574 + ... + 30783.

It is an arithmetic number, because the mean of its divisors is an integer number (736296).

Almost surely, 2^6442485 is an apocalyptic number.

It is an amenable number.

6442485 is a deficient number, since it is larger than the sum of its proper divisors (5338251).

6442485 is a wasteful number, since it uses less digits than its factorization.

6442485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61372.

The product of its digits is 30720, while the sum is 33.

The square root of 6442485 is about 2538.2050744571. The cubic root of 6442485 is about 186.0734765779.

The spelling of 6442485 in words is "six million, four hundred forty-two thousand, four hundred eighty-five".