4042523215 has 4 divisors (see below), whose sum is σ = 4851027864. Its totient is φ = 3234018568.

The previous prime is 4042523167. The next prime is 4042523231. The reversal of 4042523215 is 5123252404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4042523215 - 2¹³ = 4042515023 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 404252317 + ... + 404252326.

It is an arithmetic number, because the mean of its divisors is an integer number (1212756966).

Almost surely, 2^4042523215 is an apocalyptic number.

4042523215 is a deficient number, since it is larger than the sum of its proper divisors (808504649).

4042523215 is an equidigital number, since it uses as much as digits as its factorization.

4042523215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808504648.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 4042523215 is about 63580.8399991696. The cubic root of 4042523215 is about 1593.0063520483.

Adding to 4042523215 its reverse (5123252404), we get a palindrome (9165775619).

The spelling of 4042523215 in words is "four billion, forty-two million, five hundred twenty-three thousand, two hundred fifteen".