171601007 has 4 divisors (see below), whose sum is σ = 171929640. Its totient is φ = 171272376.

The previous prime is 171600997. The next prime is 171601013. The reversal of 171601007 is 700106171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700106171 = 1289 ⋅543139.

It is a cyclic number.

It is not a de Polignac number, because 171601007 - 2⁶ = 171600943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171601307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163532 + ... + 164577.

It is an arithmetic number, because the mean of its divisors is an integer number (42982410).

Almost surely, 2^171601007 is an apocalyptic number.

171601007 is a deficient number, since it is larger than the sum of its proper divisors (328633).

171601007 is an equidigital number, since it uses as much as digits as its factorization.

171601007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328632.

The product of its (nonzero) digits is 294, while the sum is 23.

The square root of 171601007 is about 13099.6567512283. The cubic root of 171601007 is about 555.6994206722.

Adding to 171601007 its reverse (700106171), we get a palindrome (871707178).

The spelling of 171601007 in words is "one hundred seventy-one million, six hundred one thousand, seven".