4251 has 8 divisors (see below), whose sum is σ = 6160. Its totient is φ = 2592.

The previous prime is 4243. The next prime is 4253. The reversal of 4251 is 1524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4251 - 2³ = 4243 is a prime.

It is a Duffinian number.

4251 is a lucky number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (4253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16 + ... + 93.

It is an arithmetic number, because the mean of its divisors is an integer number (770).

2⁴²⁵¹ is an apocalyptic number.

4251 is a deficient number, since it is larger than the sum of its proper divisors (1909).

4251 is a wasteful number, since it uses less digits than its factorization.

4251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125.

The product of its digits is 40, while the sum is 12.

The square root of 4251 is about 65.1996932508. The cubic root of 4251 is about 16.1993293428.

Adding to 4251 its reverse (1524), we get a palindrome (5775).

The spelling of 4251 in words is "four thousand, two hundred fifty-one".