215250067 has 2 divisors, whose sum is σ = 215250068. Its totient is φ = 215250066.

The previous prime is 215250017. The next prime is 215250097. The reversal of 215250067 is 760052512.

215250067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215250067 is a prime.

It is not a weakly prime, because it can be changed into another prime (215250017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107625033 + 107625034.

It is an arithmetic number, because the mean of its divisors is an integer number (107625034).

Almost surely, 2^215250067 is an apocalyptic number.

215250067 is a deficient number, since it is larger than the sum of its proper divisors (1).

215250067 is an equidigital number, since it uses as much as digits as its factorization.

215250067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 215250067 is about 14671.4030344749. The cubic root of 215250067 is about 599.3048124274.

The spelling of 215250067 in words is "two hundred fifteen million, two hundred fifty thousand, sixty-seven".