325312987 has 2 divisors, whose sum is σ = 325312988. Its totient is φ = 325312986.

The previous prime is 325312963. The next prime is 325312997. The reversal of 325312987 is 789213523.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325312987 is a prime.

It is equal to p_17546377 and since 325312987 and 17546377 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (325312907) by changing a digit.

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 as a sum of consecutive naturals, namely, 162656493 + 162656494.

It is an arithmetic number, because the mean of its divisors is an integer number (162656494).

Almost surely, 2^325312987 is an apocalyptic number.

325312987 is a deficient number, since it is larger than the sum of its proper divisors (1).

325312987 is an equidigital number, since it uses as much as digits as its factorization.

325312987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 325312987 is about 18036.4349858834. The cubic root of 325312987 is about 687.7550697404.

The spelling of 325312987 in words is "three hundred twenty-five million, three hundred twelve thousand, nine hundred eighty-seven".