4005230501 has 4 divisors (see below), whose sum is σ = 4113480012. Its totient is φ = 3896980992.

The previous prime is 4005230461. The next prime is 4005230503. The reversal of 4005230501 is 1050325004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2184160225 + 1821070276 = 46735^2 + 42674^2 .

It is a cyclic number.

It is not a de Polignac number, because 4005230501 - 2¹⁰ = 4005229477 is a prime.

It is a super-2 number, since 2×4005230501² = 32083742732281422002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005230503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54124700 + ... + 54124773.

It is an arithmetic number, because the mean of its divisors is an integer number (1028370003).

Almost surely, 2^4005230501 is an apocalyptic number.

It is an amenable number.

4005230501 is a deficient number, since it is larger than the sum of its proper divisors (108249511).

4005230501 is a wasteful number, since it uses less digits than its factorization.

4005230501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108249510.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 4005230501 is about 63286.8904355396. The cubic root of 4005230501 is about 1588.0926591672.

Adding to 4005230501 its reverse (1050325004), we get a palindrome (5055555505).

The spelling of 4005230501 in words is "four billion, five million, two hundred thirty thousand, five hundred one".