4021252041 has 8 divisors (see below), whose sum is σ = 5361962400. Its totient is φ = 2680688192.

The previous prime is 4021252033. The next prime is 4021252043. The reversal of 4021252041 is 1402521204.

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 4021252041 - 2³ = 4021252033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4021251999 and 4021252017.

It is not an unprimeable number, because it can be changed into a prime (4021252043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87985 + ... + 125633.

It is an arithmetic number, because the mean of its divisors is an integer number (670245300).

Almost surely, 2^4021252041 is an apocalyptic number.

It is an amenable number.

4021252041 is a deficient number, since it is larger than the sum of its proper divisors (1340710359).

4021252041 is a wasteful number, since it uses less digits than its factorization.

4021252041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73255.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4021252041 is about 63413.3427679065. The cubic root of 4021252041 is about 1590.2073804899.

Adding to 4021252041 its reverse (1402521204), we get a palindrome (5423773245).

The spelling of 4021252041 in words is "four billion, twenty-one million, two hundred fifty-two thousand, forty-one".