321614983 has 2 divisors, whose sum is σ = 321614984. Its totient is φ = 321614982.

The previous prime is 321614893. The next prime is 321615023. The reversal of 321614983 is 389416123.

Together with previous prime (321614893) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321614983 - 2²⁵ = 288060551 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is equal to p_17357626 and since 321614983 and 17357626 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321614383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160807491 + 160807492.

It is an arithmetic number, because the mean of its divisors is an integer number (160807492).

Almost surely, 2^321614983 is an apocalyptic number.

321614983 is a deficient number, since it is larger than the sum of its proper divisors (1).

321614983 is an equidigital number, since it uses as much as digits as its factorization.

321614983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 321614983 is about 17933.6271568247. The cubic root of 321614983 is about 685.1391075576.

The spelling of 321614983 in words is "three hundred twenty-one million, six hundred fourteen thousand, nine hundred eighty-three".