2042125315 has 4 divisors (see below), whose sum is σ = 2450550384. Its totient is φ = 1633700248.

The previous prime is 2042125307. The next prime is 2042125331. The reversal of 2042125315 is 5135212402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5135212402 = 2 ⋅2567606201.

It is a cyclic number.

It is not a de Polignac number, because 2042125315 - 2³ = 2042125307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2042125315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204212527 + ... + 204212536.

It is an arithmetic number, because the mean of its divisors is an integer number (612637596).

Almost surely, 2^2042125315 is an apocalyptic number.

2042125315 is a deficient number, since it is larger than the sum of its proper divisors (408425069).

2042125315 is an equidigital number, since it uses as much as digits as its factorization.

2042125315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408425068.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2042125315 is about 45189.8806703448. The cubic root of 2042125315 is about 1268.7054233329.

Adding to 2042125315 its reverse (5135212402), we get a palindrome (7177337717).

The spelling of 2042125315 in words is "two billion, forty-two million, one hundred twenty-five thousand, three hundred fifteen".