4021153 has 2 divisors, whose sum is σ = 4021154. Its totient is φ = 4021152.

The previous prime is 4021151. The next prime is 4021177. The reversal of 4021153 is 3511204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3640464 + 380689 = 1908^2 + 617^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021153 - 2¹ = 4021151 is a prime.

Together with 4021151, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4021151) 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 as a sum of consecutive naturals, namely, 2010576 + 2010577.

It is an arithmetic number, because the mean of its divisors is an integer number (2010577).

Almost surely, 2^4021153 is an apocalyptic number.

It is an amenable number.

4021153 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021153 is an equidigital number, since it uses as much as digits as its factorization.

4021153 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4021153 is about 2005.2812770282. The cubic root of 4021153 is about 159.0194325101.

Adding to 4021153 its reverse (3511204), we get a palindrome (7532357).

The spelling of 4021153 in words is "four million, twenty-one thousand, one hundred fifty-three".