4250605021 has 24 divisors (see below), whose sum is σ = 4763598336. Its totient is φ = 3787168320.

The previous prime is 4250605019. The next prime is 4250605043. The reversal of 4250605021 is 1205060524.

It is not a de Polignac number, because 4250605021 - 2¹ = 4250605019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4250605001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2634411 + ... + 2636023.

It is an arithmetic number, because the mean of its divisors is an integer number (198483264).

Almost surely, 2^4250605021 is an apocalyptic number.

It is an amenable number.

4250605021 is a deficient number, since it is larger than the sum of its proper divisors (512993315).

4250605021 is a wasteful number, since it uses less digits than its factorization.

4250605021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173 (or 2160 counting only the distinct ones).

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

The square root of 4250605021 is about 65196.6641861376. The cubic root of 4250605021 is about 1619.8827610376.

Adding to 4250605021 its reverse (1205060524), we get a palindrome (5455665545).

The spelling of 4250605021 in words is "four billion, two hundred fifty million, six hundred five thousand, twenty-one".