4042513025 has 6 divisors (see below), whose sum is σ = 5012716182. Its totient is φ = 3234010400.

The previous prime is 4042512989. The next prime is 4042513031. The reversal of 4042513025 is 5203152404.

It is a happy number.

4042513025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 63552784 + 3978960241 = 7972^2 + 63079^2 .

It is not a de Polignac number, because 4042513025 - 2⁶ = 4042512961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4042512985 and 4042513003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80850236 + ... + 80850285.

It is an arithmetic number, because the mean of its divisors is an integer number (835452697).

Almost surely, 2^4042513025 is an apocalyptic number.

It is an amenable number.

4042513025 is a deficient number, since it is larger than the sum of its proper divisors (970203157).

4042513025 is a wasteful number, since it uses less digits than its factorization.

4042513025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161700531 (or 161700526 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4042513025 is about 63580.7598649151. The cubic root of 4042513025 is about 1593.0050135486.

Adding to 4042513025 its reverse (5203152404), we get a palindrome (9245665429).

It can be divided in two parts, 40425 and 13025, that multiplied together give a palindrome (526535625).

The spelling of 4042513025 in words is "four billion, forty-two million, five hundred thirteen thousand, twenty-five".