215152667 has 2 divisors, whose sum is σ = 215152668. Its totient is φ = 215152666.

The previous prime is 215152589. The next prime is 215152703. The reversal of 215152667 is 766251512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215152667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (215152967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107576333 + 107576334.

It is an arithmetic number, because the mean of its divisors is an integer number (107576334).

Almost surely, 2^215152667 is an apocalyptic number.

215152667 is a deficient number, since it is larger than the sum of its proper divisors (1).

215152667 is an equidigital number, since it uses as much as digits as its factorization.

215152667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

The square root of 215152667 is about 14668.0832762839. The cubic root of 215152667 is about 599.2144042552.

The spelling of 215152667 in words is "two hundred fifteen million, one hundred fifty-two thousand, six hundred sixty-seven".