321441053 has 4 divisors (see below), whose sum is σ = 323413248. Its totient is φ = 319468860.

The previous prime is 321441041. The next prime is 321441059. The reversal of 321441053 is 350144123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350144123 = 7 ⋅50020589.

It is a cyclic number.

It is not a de Polignac number, because 321441053 - 2²² = 317246749 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 (321441059) 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, 985853 + ... + 986178.

It is an arithmetic number, because the mean of its divisors is an integer number (80853312).

Almost surely, 2^321441053 is an apocalyptic number.

It is an amenable number.

321441053 is a deficient number, since it is larger than the sum of its proper divisors (1972195).

321441053 is a wasteful number, since it uses less digits than its factorization.

321441053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972194.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 321441053 is about 17928.7772310328. Note that the first 3 decimals coincide. The cubic root of 321441053 is about 685.0155771051.

Adding to 321441053 its reverse (350144123), we get a palindrome (671585176).

The spelling of 321441053 in words is "three hundred twenty-one million, four hundred forty-one thousand, fifty-three".