6450042 has 8 divisors (see below), whose sum is σ = 12900096. Its totient is φ = 2150012.

The previous prime is 6450029. The next prime is 6450049. The reversal of 6450042 is 2400546.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

6450042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (6450049) 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 3 ways as a sum of consecutive naturals, for example, 537498 + ... + 537509.

It is an arithmetic number, because the mean of its divisors is an integer number (1612512).

Almost surely, 2^6450042 is an apocalyptic number.

6450042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6450042 is a wasteful number, since it uses less digits than its factorization.

6450042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075012.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 6450042 is about 2539.6932885685. The cubic root of 6450042 is about 186.1462025429.

Adding to 6450042 its reverse (2400546), we get a palindrome (8850588).

The spelling of 6450042 in words is "six million, four hundred fifty thousand, forty-two".