321053242 has 4 divisors (see below), whose sum is σ = 481579866. Its totient is φ = 160526620.

The previous prime is 321053231. The next prime is 321053261. The reversal of 321053242 is 242350123.

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

It can be written as a sum of positive squares in only one way, i.e., 204175521 + 116877721 = 14289^2 + 10811^2 .

It is an unprimeable number.

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, 80263309 + ... + 80263312.

Almost surely, 2^321053242 is an apocalyptic number.

321053242 is a deficient number, since it is larger than the sum of its proper divisors (160526624).

321053242 is a wasteful number, since it uses less digits than its factorization.

321053242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160526623.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 321053242 is about 17917.9586448903. The cubic root of 321053242 is about 684.7399812311.

The spelling of 321053242 in words is "three hundred twenty-one million, fifty-three thousand, two hundred forty-two".