214150987 has 2 divisors, whose sum is σ = 214150988. Its totient is φ = 214150986.

The previous prime is 214150939. The next prime is 214151009. The reversal of 214150987 is 789051412.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214150987 is a prime.

It is not a weakly prime, because it can be changed into another prime (214150087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107075493 + 107075494.

It is an arithmetic number, because the mean of its divisors is an integer number (107075494).

Almost surely, 2^214150987 is an apocalyptic number.

214150987 is a deficient number, since it is larger than the sum of its proper divisors (1).

214150987 is an equidigital number, since it uses as much as digits as its factorization.

214150987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 214150987 is about 14633.8985578007. The cubic root of 214150987 is about 598.2830423733.

The spelling of 214150987 in words is "two hundred fourteen million, one hundred fifty thousand, nine hundred eighty-seven".