17140087 has 2 divisors, whose sum is σ = 17140088. Its totient is φ = 17140086.

The previous prime is 17140061. The next prime is 17140099. The reversal of 17140087 is 78004171.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17140087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17141087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8570043 + 8570044.

It is an arithmetic number, because the mean of its divisors is an integer number (8570044).

Almost surely, 2^17140087 is an apocalyptic number.

17140087 is a deficient number, since it is larger than the sum of its proper divisors (1).

17140087 is an equidigital number, since it uses as much as digits as its factorization.

17140087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 17140087 is about 4140.0588160073. The cubic root of 17140087 is about 257.8325085200.

The spelling of 17140087 in words is "seventeen million, one hundred forty thousand, eighty-seven".