10442505 has 32 divisors (see below), whose sum is σ = 18275328. Its totient is φ = 5068800.

The previous prime is 10442503. The next prime is 10442519. The reversal of 10442505 is 50524401.

It is not a de Polignac number, because 10442505 - 2¹ = 10442503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10442501) 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 31 ways as a sum of consecutive naturals, for example, 7245 + ... + 8565.

It is an arithmetic number, because the mean of its divisors is an integer number (571104).

Almost surely, 2^10442505 is an apocalyptic number.

10442505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10442505 is a deficient number, since it is larger than the sum of its proper divisors (7832823).

10442505 is a wasteful number, since it uses less digits than its factorization.

10442505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 10442505 is about 3231.4865000492. The cubic root of 10442505 is about 218.5755419913.

Adding to 10442505 its reverse (50524401), we get a palindrome (60966906).

The spelling of 10442505 in words is "ten million, four hundred forty-two thousand, five hundred five".