4042211251 has 4 divisors (see below), whose sum is σ = 4353150592. Its totient is φ = 3731271912.

The previous prime is 4042211233. The next prime is 4042211267. The reversal of 4042211251 is 1521122404.

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 4042211251 - 2¹⁷ = 4042080179 is a prime.

It is a super-3 number, since 3×4042211251³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4042211231) 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, 155469651 + ... + 155469676.

It is an arithmetic number, because the mean of its divisors is an integer number (1088287648).

Almost surely, 2^4042211251 is an apocalyptic number.

4042211251 is a deficient number, since it is larger than the sum of its proper divisors (310939341).

4042211251 is a wasteful number, since it uses less digits than its factorization.

4042211251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310939340.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4042211251 is about 63578.3866655957. The cubic root of 4042211251 is about 1592.9653732346.

Adding to 4042211251 its reverse (1521122404), we get a palindrome (5563333655).

The spelling of 4042211251 in words is "four billion, forty-two million, two hundred eleven thousand, two hundred fifty-one".