171040401 has 24 divisors (see below), whose sum is σ = 286987584. Its totient is φ = 96132960.

The previous prime is 171040399. The next prime is 171040403. The reversal of 171040401 is 104040171.

171040401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (171040399) and next prime (171040403).

It is not a de Polignac number, because 171040401 - 2¹ = 171040399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (171040403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18411 + ... + 26096.

It is an arithmetic number, because the mean of its divisors is an integer number (11957816).

Almost surely, 2^171040401 is an apocalyptic number.

It is an amenable number.

171040401 is a deficient number, since it is larger than the sum of its proper divisors (115947183).

171040401 is a wasteful number, since it uses less digits than its factorization.

171040401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44581 (or 44578 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 171040401 is about 13078.2415102337. The cubic root of 171040401 is about 555.0936194639.

Adding to 171040401 its reverse (104040171), we get a palindrome (275080572).

The spelling of 171040401 in words is "one hundred seventy-one million, forty thousand, four hundred one".