42003465 has 16 divisors (see below), whose sum is σ = 76806528. Its totient is φ = 19201536.

The previous prime is 42003463. The next prime is 42003469. The reversal of 42003465 is 56430024.

It is not a de Polignac number, because 42003465 - 2¹ = 42003463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42003463) 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, 199912 + ... + 200121.

It is an arithmetic number, because the mean of its divisors is an integer number (4800408).

Almost surely, 2^42003465 is an apocalyptic number.

It is an amenable number.

42003465 is a deficient number, since it is larger than the sum of its proper divisors (34803063).

42003465 is a wasteful number, since it uses less digits than its factorization.

42003465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400048.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 42003465 is about 6481.0080234482. The cubic root of 42003465 is about 347.6122232991.

Adding to 42003465 its reverse (56430024), we get a palindrome (98433489).

The spelling of 42003465 in words is "forty-two million, three thousand, four hundred sixty-five".