2042465 has 8 divisors (see below), whose sum is σ = 2595240. Its totient is φ = 1537792.

The previous prime is 2042459. The next prime is 2042477. The reversal of 2042465 is 5642402.

It can be written as a sum of positive squares in 4 ways, for example, as 1151329 + 891136 = 1073^2 + 944^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2042465 - 2⁴ = 2042449 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2042465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11930 + ... + 12099.

It is an arithmetic number, because the mean of its divisors is an integer number (324405).

2^2042465 is an apocalyptic number.

It is an amenable number.

2042465 is a deficient number, since it is larger than the sum of its proper divisors (552775).

2042465 is a wasteful number, since it uses less digits than its factorization.

2042465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24051.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2042465 is about 1429.1483477932. The cubic root of 2042465 is about 126.8775764480.

Adding to 2042465 its reverse (5642402), we get a palindrome (7684867).

The spelling of 2042465 in words is "two million, forty-two thousand, four hundred sixty-five".