314215987 has 2 divisors, whose sum is σ = 314215988. Its totient is φ = 314215986.

The previous prime is 314215963. The next prime is 314215991. The reversal of 314215987 is 789512413.

It is a strong prime.

It is an emirp because it is prime and its reverse (789512413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314215987 - 2⁷ = 314215859 is a prime.

It is not a weakly prime, because it can be changed into another prime (314215927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157107993 + 157107994.

It is an arithmetic number, because the mean of its divisors is an integer number (157107994).

Almost surely, 2^314215987 is an apocalyptic number.

314215987 is a deficient number, since it is larger than the sum of its proper divisors (1).

314215987 is an equidigital number, since it uses as much as digits as its factorization.

314215987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The square root of 314215987 is about 17726.1385247888. The cubic root of 314215987 is about 679.8442456131.

The spelling of 314215987 in words is "three hundred fourteen million, two hundred fifteen thousand, nine hundred eighty-seven".