17145091 has 2 divisors, whose sum is σ = 17145092. Its totient is φ = 17145090.

The previous prime is 17145067. The next prime is 17145101. The reversal of 17145091 is 19054171.

It is a strong prime.

It is an emirp because it is prime and its reverse (19054171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17145091 - 2⁵ = 17145059 is a prime.

It is not a weakly prime, because it can be changed into another prime (17145031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8572545 + 8572546.

It is an arithmetic number, because the mean of its divisors is an integer number (8572546).

Almost surely, 2^17145091 is an apocalyptic number.

17145091 is a deficient number, since it is larger than the sum of its proper divisors (1).

17145091 is an equidigital number, since it uses as much as digits as its factorization.

17145091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 17145091 is about 4140.6631111454. The cubic root of 17145091 is about 257.8575972362.

The spelling of 17145091 in words is "seventeen million, one hundred forty-five thousand, ninety-one".