441021253 has 4 divisors (see below), whose sum is σ = 442947340. Its totient is φ = 439095168.

The previous prime is 441021233. The next prime is 441021263. The reversal of 441021253 is 352120144.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 298529284 + 142491969 = 17278^2 + 11937^2 .

It is a cyclic number.

It is not a de Polignac number, because 441021253 - 2¹⁷ = 440890181 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 (441021233) 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, 962700 + ... + 963157.

It is an arithmetic number, because the mean of its divisors is an integer number (110736835).

Almost surely, 2^441021253 is an apocalyptic number.

It is an amenable number.

441021253 is a deficient number, since it is larger than the sum of its proper divisors (1926087).

441021253 is a wasteful number, since it uses less digits than its factorization.

441021253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926086.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 441021253 is about 21000.5060177130. The cubic root of 441021253 is about 761.1784884691.

Adding to 441021253 its reverse (352120144), we get a palindrome (793141397).

The spelling of 441021253 in words is "four hundred forty-one million, twenty-one thousand, two hundred fifty-three".