214312487 has 2 divisors, whose sum is σ = 214312488. Its totient is φ = 214312486.

The previous prime is 214312481. The next prime is 214312499. The reversal of 214312487 is 784213412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214312487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214312481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107156243 + 107156244.

It is an arithmetic number, because the mean of its divisors is an integer number (107156244).

Almost surely, 2^214312487 is an apocalyptic number.

214312487 is a deficient number, since it is larger than the sum of its proper divisors (1).

214312487 is an equidigital number, since it uses as much as digits as its factorization.

214312487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 32.

The square root of 214312487 is about 14639.4155279506. The cubic root of 214312487 is about 598.4334011363.

Adding to 214312487 its reverse (784213412), we get a palindrome (998525899).

The spelling of 214312487 in words is "two hundred fourteen million, three hundred twelve thousand, four hundred eighty-seven".