321148925 has 12 divisors (see below), whose sum is σ = 419184480. Its totient is φ = 243396720.

The previous prime is 321148831. The next prime is 321148943. The reversal of 321148925 is 529841123.

It is not a de Polignac number, because 321148925 - 2²⁰ = 320100349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337577 + ... + 338526.

It is an arithmetic number, because the mean of its divisors is an integer number (34932040).

Almost surely, 2^321148925 is an apocalyptic number.

It is an amenable number.

321148925 is a deficient number, since it is larger than the sum of its proper divisors (98035555).

321148925 is a wasteful number, since it uses less digits than its factorization.

321148925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676132 (or 676127 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 321148925 is about 17920.6284767025. The cubic root of 321148925 is about 684.8079984729.

The spelling of 321148925 in words is "three hundred twenty-one million, one hundred forty-eight thousand, nine hundred twenty-five".