321913954 has 4 divisors (see below), whose sum is σ = 482870934. Its totient is φ = 160956976.

The previous prime is 321913937. The next prime is 321913987. The reversal of 321913954 is 459319123.

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., 312334929 + 9579025 = 17673^2 + 3095^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80478487 + ... + 80478490.

Almost surely, 2^321913954 is an apocalyptic number.

321913954 is a deficient number, since it is larger than the sum of its proper divisors (160956980).

321913954 is a wasteful number, since it uses less digits than its factorization.

321913954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160956979.

The product of its digits is 29160, while the sum is 37.

The square root of 321913954 is about 17941.9607066786. The cubic root of 321913954 is about 685.3513419540.

The spelling of 321913954 in words is "three hundred twenty-one million, nine hundred thirteen thousand, nine hundred fifty-four".