4321051 has 4 divisors (see below), whose sum is σ = 4938352. Its totient is φ = 3703752.

The previous prime is 4321049. The next prime is 4321061. The reversal of 4321051 is 1501234.

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 4321051 - 2¹ = 4321049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4321061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308640 + ... + 308653.

It is an arithmetic number, because the mean of its divisors is an integer number (1234588).

Almost surely, 2^4321051 is an apocalyptic number.

4321051 is a deficient number, since it is larger than the sum of its proper divisors (617301).

4321051 is an equidigital number, since it uses as much as digits as its factorization.

4321051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617300.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 4321051 is about 2078.7137850123. The cubic root of 4321051 is about 162.8782635771.

Adding to 4321051 its reverse (1501234), we get a palindrome (5822285).

The spelling of 4321051 in words is "four million, three hundred twenty-one thousand, fifty-one".