321053481 has 48 divisors (see below), whose sum is σ = 561460224. Its totient is φ = 172811232.

The previous prime is 321053471. The next prime is 321053501. The reversal of 321053481 is 184350123.

It is a happy number.

It is not a de Polignac number, because 321053481 - 2⁷ = 321053353 is a prime.

It is a super-2 number, since 2×321053481² = 206150675324434722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (321053441) 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 47 ways as a sum of consecutive naturals, for example, 95430 + ... + 98736.

It is an arithmetic number, because the mean of its divisors is an integer number (11697088).

Almost surely, 2^321053481 is an apocalyptic number.

It is an amenable number.

321053481 is a deficient number, since it is larger than the sum of its proper divisors (240406743).

321053481 is a wasteful number, since it uses less digits than its factorization.

321053481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410 (or 3407 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 321053481 is about 17917.9653141756. The cubic root of 321053481 is about 684.7401511436.

The spelling of 321053481 in words is "three hundred twenty-one million, fifty-three thousand, four hundred eighty-one".